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1012012122 = 2311101151817
BaseRepresentation
bin111100010100100…
…001010001011010
32121112021112122110
4330110201101122
54033033341442
6244230533150
734035650442
oct7424412132
92545245573
101012012122
1147a288760
12242b071b6
13131884854
1498597122
155dca569c
hex3c52145a

1012012122 has 32 divisors (see below), whose sum is σ = 2229902784. Its totient is φ = 303632000.

The previous prime is 1012012097. The next prime is 1012012187. The reversal of 1012012122 is 2212102101.

It is a junction number, because it is equal to n+sod(n) for n = 1012012098 and 1012012107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69243 + ... + 82574.

It is an arithmetic number, because the mean of its divisors is an integer number (69684462).

Almost surely, 21012012122 is an apocalyptic number.

1012012122 is an abundant number, since it is smaller than the sum of its proper divisors (1217890662).

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

1012012122 is a wasteful number, since it uses less digits than its factorization.

1012012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151934.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1012012122 is about 31812.1379665058. The cubic root of 1012012122 is about 1003.9881144659.

Adding to 1012012122 its reverse (2212102101), we get a palindrome (3224114223).

The spelling of 1012012122 in words is "one billion, twelve million, twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 101 202 303 606 1111 2222 3333 6666 151817 303634 455451 910902 1669987 3339974 5009961 10019922 15333517 30667034 46000551 92001102 168668687 337337374 506006061 1012012122