861614200412 has 12 divisors (see below), whose sum is σ = 1723228400880. Its totient is φ = 369263228736.

The previous prime is 861614200411. The next prime is 861614200429. The reversal of 861614200412 is 214002416168.

861614200412 is an admirable number.

It is a super-2 number, since 2×861614200412² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861614200411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15385967837 + ... + 15385967892.

It is an arithmetic number, because the mean of its divisors is an integer number (143602366740).

Almost surely, 2^861614200412 is an apocalyptic number.

It is an amenable number.

861614200412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

861614200412 is a wasteful number, since it uses less digits than its factorization.

861614200412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30771935740 (or 30771935738 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 861614200412 in words is "eight hundred sixty-one billion, six hundred fourteen million, two hundred thousand, four hundred twelve".