1212564626116 has 24 divisors (see below), whose sum is σ = 2247109585056. Its totient is φ = 570542797440.

The previous prime is 1212564626111. The next prime is 1212564626123. The reversal of 1212564626116 is 6116264652121.

It is not an unprimeable number, because it can be changed into a prime (1212564626111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668190 + ... + 1694581.

It is an arithmetic number, because the mean of its divisors is an integer number (93629566044).

Almost surely, 2^{1212564626116} is an apocalyptic number.

It is an amenable number.

1212564626116 is a deficient number, since it is larger than the sum of its proper divisors (1034544958940).

1212564626116 is a wasteful number, since it uses less digits than its factorization.

1212564626116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370339 (or 2370337 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The spelling of 1212564626116 in words is "one trillion, two hundred twelve billion, five hundred sixty-four million, six hundred twenty-six thousand, one hundred sixteen".