20122001210204 has 48 divisors (see below), whose sum is σ = 37562681989728. Its totient is φ = 9398846865408.

The previous prime is 20122001210183. The next prime is 20122001210279. The reversal of 20122001210204 is 40201210022102.

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

It is a congruent number.

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, 4083434 + ... + 7544430.

It is an arithmetic number, because the mean of its divisors is an integer number (782555874786).

Almost surely, 2^{20122001210204} is an apocalyptic number.

It is an amenable number.

20122001210204 is a deficient number, since it is larger than the sum of its proper divisors (17440680779524).

20122001210204 is a wasteful number, since it uses less digits than its factorization.

20122001210204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461654 (or 3461652 counting only the distinct ones).

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

Adding to 20122001210204 its reverse (40201210022102), we get a palindrome (60323211232306).

The spelling of 20122001210204 in words is "twenty trillion, one hundred twenty-two billion, one million, two hundred ten thousand, two hundred four".