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1000222012212 = 2236191163115783
BaseRepresentation
bin11101000111000011110…
…00001011001100110100
310112121202012011210222120
432203201320023030310
5112341423313342322
62043255020555540
7132156301552653
oct16434170131464
93477665153876
101000222012212
11356212282a65
12141a243b2bb0
137342228c107
14365a7b1919a
151b040ebca5c
hexe8e1e0b334

1000222012212 has 48 divisors (see below), whose sum is σ = 2339651919360. Its totient is φ = 332579626848.

The previous prime is 1000222012189. The next prime is 1000222012213. The reversal of 1000222012212 is 2122102220001.

It is a junction number, because it is equal to n+sod(n) for n = 1000222012191 and 1000222012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8580873 + ... + 8696655.

It is an arithmetic number, because the mean of its divisors is an integer number (48742748320).

Almost surely, 21000222012212 is an apocalyptic number.

1000222012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000222012212 is an abundant number, since it is smaller than the sum of its proper divisors (1339429907148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000222012212 is a wasteful number, since it uses less digits than its factorization.

1000222012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117572 (or 117570 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1000222012212 its reverse (2122102220001), we get a palindrome (3122324232213).

The spelling of 1000222012212 in words is "one trillion, two hundred twenty-two million, twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 619 1163 1238 1857 2326 2476 3489 3714 4652 6978 7428 13956 115783 231566 347349 463132 694698 719897 1389396 1439794 2159691 2879588 4319382 8638764 71669677 134655629 143339354 215009031 269311258 286678708 403966887 430018062 538622516 807933774 860036124 1615867548 83351834351 166703668702 250055503053 333407337404 500111006106 1000222012212