212531462 has 64 divisors (see below), whose sum is σ = 388813824. Its totient is φ = 85847040.

The previous prime is 212531461. The next prime is 212531483. The reversal of 212531462 is 264135212.

It is a happy number.

212531462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212531461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1303793 + ... + 1303955.

It is an arithmetic number, because the mean of its divisors is an integer number (6075216).

Almost surely, 2^212531462 is an apocalyptic number.

212531462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212531462 is a deficient number, since it is larger than the sum of its proper divisors (176282362).

212531462 is a wasteful number, since it uses less digits than its factorization.

212531462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its digits is 2880, while the sum is 26.

The square root of 212531462 is about 14578.4588348700. The cubic root of 212531462 is about 596.7710449952.

Adding to 212531462 its reverse (264135212), we get a palindrome (476666674).

The spelling of 212531462 in words is "two hundred twelve million, five hundred thirty-one thousand, four hundred sixty-two".