212612974125 has 16 divisors (see below), whose sum is σ = 353787989568. Its totient is φ = 113393586000.

The previous prime is 212612974099. The next prime is 212612974139. The reversal of 212612974125 is 521479216212.

It is a happy number.

It is not a de Polignac number, because 212612974125 - 2¹³ = 212612965933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283483591 + ... + 283484340.

It is an arithmetic number, because the mean of its divisors is an integer number (22111749348).

Almost surely, 2^212612974125 is an apocalyptic number.

212612974125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212612974125 is a deficient number, since it is larger than the sum of its proper divisors (141175015443).

212612974125 is an equidigital number, since it uses as much as digits as its factorization.

212612974125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566967949 (or 566967939 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The spelling of 212612974125 in words is "two hundred twelve billion, six hundred twelve million, nine hundred seventy-four thousand, one hundred twenty-five".