212311425 has 36 divisors (see below), whose sum is σ = 359609424. Its totient is φ = 110527200.

The previous prime is 212311417. The next prime is 212311447. The reversal of 212311425 is 524113212.

212311425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212311425 - 2³ = 212311417 is a prime.

It is a super-2 number, since 2×212311425² = 90152282371061250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137910 + ... + 139440.

Almost surely, 2^212311425 is an apocalyptic number.

212311425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212311425 is a deficient number, since it is larger than the sum of its proper divisors (147297999).

212311425 is a wasteful number, since it uses less digits than its factorization.

212311425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1582 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 212311425 is about 14570.9102323774. The cubic root of 212311425 is about 596.5650252188.

Adding to 212311425 its reverse (524113212), we get a palindrome (736424637).

The spelling of 212311425 in words is "two hundred twelve million, three hundred eleven thousand, four hundred twenty-five".