212412004 has 24 divisors (see below), whose sum is σ = 431791808. Its totient is φ = 89540640.

The previous prime is 212411999. The next prime is 212412019. The reversal of 212412004 is 400214212.

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, 60474 + ... + 63889.

Almost surely, 2^212412004 is an apocalyptic number.

It is an amenable number.

212412004 is an abundant number, since it is smaller than the sum of its proper divisors (219379804).

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

212412004 is a wasteful number, since it uses less digits than its factorization.

212412004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124435 (or 124433 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 212412004 is about 14574.3611866867. The cubic root of 212412004 is about 596.6592145937.

Adding to 212412004 its reverse (400214212), we get a palindrome (612626216).

The spelling of 212412004 in words is "two hundred twelve million, four hundred twelve thousand, four".