5202121512 has 32 divisors (see below), whose sum is σ = 14863204800. Its totient is φ = 1486320384.

The previous prime is 5202121493. The next prime is 5202121517. The reversal of 5202121512 is 2151212025.

It is a super-2 number, since 2×5202121512² = 54124136451226332288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (5202121517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15482337 + ... + 15482672.

It is an arithmetic number, because the mean of its divisors is an integer number (464475150).

Almost surely, 2^5202121512 is an apocalyptic number.

It is an amenable number.

5202121512 is an abundant number, since it is smaller than the sum of its proper divisors (9661083288).

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

5202121512 is a wasteful number, since it uses less digits than its factorization.

5202121512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30965025 (or 30965021 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 5202121512 is about 72125.7340482577. The cubic root of 5202121512 is about 1732.7137859115.

Adding to 5202121512 its reverse (2151212025), we get a palindrome (7353333537).

The spelling of 5202121512 in words is "five billion, two hundred two million, one hundred twenty-one thousand, five hundred twelve".