213521250433500 has 96 divisors (see below), whose sum is σ = 690859868112960. Its totient is φ = 56939000112000.

The previous prime is 213521250433499. The next prime is 213521250433529. The reversal of 213521250433500 is 5334052125312.

213521250433500 is a `hidden beast` number, since 2 + 1 + 3 + 5 + 212 + 5 + 0 + 433 + 5 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7908180961 + ... + 7908207960.

It is an arithmetic number, because the mean of its divisors is an integer number (7196456959510).

Almost surely, 2^{213521250433500} is an apocalyptic number.

213521250433500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213521250433500 is an abundant number, since it is smaller than the sum of its proper divisors (477338617679460).

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

213521250433500 is a wasteful number, since it uses less digits than its factorization.

213521250433500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816388949 (or 15816388931 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 213521250433500 in words is "two hundred thirteen trillion, five hundred twenty-one billion, two hundred fifty million, four hundred thirty-three thousand, five hundred".