202012102122002 has 32 divisors (see below), whose sum is σ = 338417051042880. Its totient is φ = 89877698910720.

The previous prime is 202012102121981. The next prime is 202012102122011. The reversal of 202012102122002 is 200221201210202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318127043 + ... + 318761414.

It is an arithmetic number, because the mean of its divisors is an integer number (10575532845090).

Almost surely, 2^{202012102122002} is an apocalyptic number.

202012102122002 is a deficient number, since it is larger than the sum of its proper divisors (136404948920878).

202012102122002 is a wasteful number, since it uses less digits than its factorization.

202012102122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636888986.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202012102122002 its reverse (200221201210202), we get a palindrome (402233303332204).

The spelling of 202012102122002 in words is "two hundred two trillion, twelve billion, one hundred two million, one hundred twenty-two thousand, two".