625502202164212 has 12 divisors (see below), whose sum is σ = 1102503881513440. Its totient is φ = 310501093160376.

The previous prime is 625502202164167. The next prime is 625502202164263. The reversal of 625502202164212 is 212461202205526.

It is a super-2 number, since 2×625502202164212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562501979808 + ... + 562501980919.

Almost surely, 2^{625502202164212} is an apocalyptic number.

It is an amenable number.

625502202164212 is a deficient number, since it is larger than the sum of its proper divisors (477001679349228).

625502202164212 is a wasteful number, since it uses less digits than its factorization.

625502202164212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125003960870 (or 1125003960868 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 625502202164212 its reverse (212461202205526), we get a palindrome (837963404369738).

The spelling of 625502202164212 in words is "six hundred twenty-five trillion, five hundred two billion, two hundred two million, one hundred sixty-four thousand, two hundred twelve".