252215213450030 has 16 divisors (see below), whose sum is σ = 455447150724384. Its totient is φ = 100561692821280.

The previous prime is 252215213450021. The next prime is 252215213450087. The reversal of 252215213450030 is 30054312512252.

It is a super-2 number, since 2×252215213450030² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 40549066577 + ... + 40549072796.

It is an arithmetic number, because the mean of its divisors is an integer number (28465446920274).

Almost surely, 2^{252215213450030} is an apocalyptic number.

252215213450030 is a deficient number, since it is larger than the sum of its proper divisors (203231937274354).

252215213450030 is a wasteful number, since it uses less digits than its factorization.

252215213450030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81098139691.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 252215213450030 its reverse (30054312512252), we get a palindrome (282269525962282).

The spelling of 252215213450030 in words is "two hundred fifty-two trillion, two hundred fifteen billion, two hundred thirteen million, four hundred fifty thousand, thirty".