1246564252112 has 80 divisors (see below), whose sum is σ = 2653750149120. Its totient is φ = 564617750400.

The previous prime is 1246564252111. The next prime is 1246564252127. The reversal of 1246564252112 is 2112524656421.

It is a self number, because there is not a number n which added to its sum of digits gives 1246564252112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246564252111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22283537 + ... + 22339407.

It is an arithmetic number, because the mean of its divisors is an integer number (33171876864).

Almost surely, 2^{1246564252112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1246564252112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326875074560).

1246564252112 is an abundant number, since it is smaller than the sum of its proper divisors (1407185897008).

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

1246564252112 is a wasteful number, since it uses less digits than its factorization.

1246564252112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59112 (or 59106 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The spelling of 1246564252112 in words is "one trillion, two hundred forty-six billion, five hundred sixty-four million, two hundred fifty-two thousand, one hundred twelve".