212501464 has 32 divisors (see below), whose sum is σ = 456019200. Its totient is φ = 90940320.

The previous prime is 212501449. The next prime is 212501501. The reversal of 212501464 is 464105212.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 43077 + ... + 47755.

It is an arithmetic number, because the mean of its divisors is an integer number (14250600).

Almost surely, 2^212501464 is an apocalyptic number.

It is an amenable number.

212501464 is an abundant number, since it is smaller than the sum of its proper divisors (243517736).

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

212501464 is a wasteful number, since it uses less digits than its factorization.

212501464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503 (or 5499 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 212501464 is about 14577.4299518125. The cubic root of 212501464 is about 596.7429663600.

Adding to 212501464 its reverse (464105212), we get a palindrome (676606676).

The spelling of 212501464 in words is "two hundred twelve million, five hundred one thousand, four hundred sixty-four".