212621496 has 16 divisors (see below), whose sum is σ = 531553800. Its totient is φ = 70873824.

The previous prime is 212621477. The next prime is 212621501. The reversal of 212621496 is 694126212.

It is a super-2 number, since 2×212621496² = 90415801122556032, which 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4429591 + ... + 4429638.

Almost surely, 2^212621496 is an apocalyptic number.

It is an amenable number.

212621496 is an abundant number, since it is smaller than the sum of its proper divisors (318932304).

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

212621496 is a wasteful number, since it uses less digits than its factorization.

212621496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8859238 (or 8859234 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 212621496 is about 14581.5464200475. The cubic root of 212621496 is about 596.8553024795.

The spelling of 212621496 in words is "two hundred twelve million, six hundred twenty-one thousand, four hundred ninety-six".