213612060 has 48 divisors (see below), whose sum is σ = 629596800. Its totient is φ = 53964864.

The previous prime is 213612053. The next prime is 213612067. The reversal of 213612060 is 60216312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213612053) and next prime (213612067).

It is a super-2 number, since 2×213612060² = 91260224354887200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213612067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92550 + ... + 94829.

It is an arithmetic number, because the mean of its divisors is an integer number (13116600).

Almost surely, 2^213612060 is an apocalyptic number.

213612060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213612060 is an abundant number, since it is smaller than the sum of its proper divisors (415984740).

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

213612060 is a wasteful number, since it uses less digits than its factorization.

213612060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187410 (or 187408 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 213612060 is about 14615.4733074232. The cubic root of 213612060 is about 597.7807460849.

Adding to 213612060 its reverse (60216312), we get a palindrome (273828372).

It can be divided in two parts, 2136 and 12060, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 213612060 in words is "two hundred thirteen million, six hundred twelve thousand, sixty".