213153420125252 has 24 divisors (see below), whose sum is σ = 395517816492120. Its totient is φ = 100166014379520.

The previous prime is 213153420125197. The next prime is 213153420125267. The reversal of 213153420125252 is 252521024351312.

It can be written as a sum of positive squares in 4 ways, for example, as 95724647236 + 213057695478016 = 309394^2 + 14596496^2 .

It is a super-2 number, since 2×213153420125252² (a number of 29 digits) contains 22 as substring.

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, 2210536499 + ... + 2210632922.

It is an arithmetic number, because the mean of its divisors is an integer number (16479909020505).

Almost surely, 2^{213153420125252} is an apocalyptic number.

It is an amenable number.

213153420125252 is a deficient number, since it is larger than the sum of its proper divisors (182364396366868).

213153420125252 is a wasteful number, since it uses less digits than its factorization.

213153420125252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421170151 (or 4421170149 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 213153420125252 its reverse (252521024351312), we get a palindrome (465674444476564).

The spelling of 213153420125252 in words is "two hundred thirteen trillion, one hundred fifty-three billion, four hundred twenty million, one hundred twenty-five thousand, two hundred fifty-two".