212462506 has 16 divisors (see below), whose sum is σ = 322220808. Its totient is φ = 105062400.

The previous prime is 212462429. The next prime is 212462543. The reversal of 212462506 is 605264212.

It can be written as a sum of positive squares in 4 ways, for example, as 154778481 + 57684025 = 12441^2 + 7595^2 .

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, 68346 + ... + 71386.

Almost surely, 2^212462506 is an apocalyptic number.

212462506 is a deficient number, since it is larger than the sum of its proper divisors (109758302).

212462506 is a wasteful number, since it uses less digits than its factorization.

212462506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 212462506 is about 14576.0936467903. The cubic root of 212462506 is about 596.7064970688.

The spelling of 212462506 in words is "two hundred twelve million, four hundred sixty-two thousand, five hundred six".