212409470 has 32 divisors (see below), whose sum is σ = 470570688. Its totient is φ = 67223808.

The previous prime is 212409469. The next prime is 212409481. The reversal of 212409470 is 74904212.

It is a super-3 number, since 3×212409470³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115799 + ... + 117618.

It is an arithmetic number, because the mean of its divisors is an integer number (14705334).

Almost surely, 2^212409470 is an apocalyptic number.

212409470 is an abundant number, since it is smaller than the sum of its proper divisors (258161218).

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

212409470 is a wasteful number, since it uses less digits than its factorization.

212409470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233444.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 212409470 is about 14574.2742529431. The cubic root of 212409470 is about 596.6568419398.

The spelling of 212409470 in words is "two hundred twelve million, four hundred nine thousand, four hundred seventy".