10202000121988 has 24 divisors (see below), whose sum is σ = 18295287220224. Its totient is φ = 4974861403200.

The previous prime is 10202000121977. The next prime is 10202000121997. The reversal of 10202000121988 is 88912100020201.

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, 10300228 + ... + 11247163.

It is an arithmetic number, because the mean of its divisors is an integer number (762303634176).

Almost surely, 2^{10202000121988} is an apocalyptic number.

It is an amenable number.

10202000121988 is a deficient number, since it is larger than the sum of its proper divisors (8093287098236).

10202000121988 is a wasteful number, since it uses less digits than its factorization.

10202000121988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21550323 (or 21550321 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 10202000121988 in words is "ten trillion, two hundred two billion, one hundred twenty-one thousand, nine hundred eighty-eight".