612667551512 has 32 divisors (see below), whose sum is σ = 1216377025920. Its totient is φ = 288301877760.

The previous prime is 612667551443. The next prime is 612667551521. The reversal of 612667551512 is 215155766216.

It is a super-2 number, since 2×612667551512² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3649337 + ... + 3813527.

It is an arithmetic number, because the mean of its divisors is an integer number (38011782060).

Almost surely, 2^612667551512 is an apocalyptic number.

It is an amenable number.

612667551512 is a deficient number, since it is larger than the sum of its proper divisors (603709474408).

612667551512 is a wasteful number, since it uses less digits than its factorization.

612667551512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191651 (or 191647 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The spelling of 612667551512 in words is "six hundred twelve billion, six hundred sixty-seven million, five hundred fifty-one thousand, five hundred twelve".