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1000212111310 = 25251398490881
BaseRepresentation
bin11101000111000010100…
…10011001111111001110
310112121201111112210111111
432203201102121333032
5112341413300030220
62043254024442234
7132156121445236
oct16434122317716
93477644483444
101000212111310
113562077302a5
12141a2101937a
13734202036a9
14365a669ccc6
151b0401b415a
hexe8e1499fce

1000212111310 has 16 divisors (see below), whose sum is σ = 1807554640752. Its totient is φ = 398490880000.

The previous prime is 1000212111271. The next prime is 1000212111331. The reversal of 1000212111310 is 131112120001.

It is a happy number.

It is a super-2 number, since 2×10002121113102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199242931 + ... + 199247950.

It is an arithmetic number, because the mean of its divisors is an integer number (112972165047).

Almost surely, 21000212111310 is an apocalyptic number.

1000212111310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000212111310 is a deficient number, since it is larger than the sum of its proper divisors (807342529442).

1000212111310 is a wasteful number, since it uses less digits than its factorization.

1000212111310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398491139.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1000212111310 its reverse (131112120001), we get a palindrome (1131324231311).

The spelling of 1000212111310 in words is "one trillion, two hundred twelve million, one hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 251 502 1255 2510 398490881 796981762 1992454405 3984908810 100021211131 200042422262 500106055655 1000212111310