1061562511212 has 24 divisors (see below), whose sum is σ = 2830833363456. Its totient is φ = 303303574608.

The previous prime is 1061562511189. The next prime is 1061562511241. The reversal of 1061562511212 is 2121152651601.

It is a happy number.

It is a super-2 number, since 2×1061562511212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6318824388 + ... + 6318824555.

It is an arithmetic number, because the mean of its divisors is an integer number (117951390144).

Almost surely, 2^{1061562511212} is an apocalyptic number.

1061562511212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1061562511212 is an abundant number, since it is smaller than the sum of its proper divisors (1769270852244).

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

1061562511212 is a wasteful number, since it uses less digits than its factorization.

1061562511212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12637648957 (or 12637648955 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 1061562511212 in words is "one trillion, sixty-one billion, five hundred sixty-two million, five hundred eleven thousand, two hundred twelve".