612561030126012 has 72 divisors (see below), whose sum is σ = 1689409978047792. Its totient is φ = 185599661030400.

The previous prime is 612561030125857. The next prime is 612561030126083. The reversal of 612561030126012 is 210621030165216.

612561030126012 is a `hidden beast` number, since 6 + 1 + 2 + 5 + 6 + 1 + 0 + 30 + 12 + 601 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100766439 + ... + 106672382.

It is an arithmetic number, because the mean of its divisors is an integer number (23464027472886).

Almost surely, 2^{612561030126012} is an apocalyptic number.

It is an amenable number.

612561030126012 is an abundant number, since it is smaller than the sum of its proper divisors (1076848947921780).

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

612561030126012 is a wasteful number, since it uses less digits than its factorization.

612561030126012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207446299 (or 207446294 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 612561030126012 in words is "six hundred twelve trillion, five hundred sixty-one billion, thirty million, one hundred twenty-six thousand, twelve".