202001210122013 has 4 divisors (see below), whose sum is σ = 202083091441920. Its totient is φ = 201919328802108.

The previous prime is 202001210122009. The next prime is 202001210122051. The reversal of 202001210122013 is 310221012100202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202001210122013 - 2² = 202001210122009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202001210121982 and 202001210122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001210121013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40940656253 + ... + 40940661186.

It is an arithmetic number, because the mean of its divisors is an integer number (50520772860480).

Almost surely, 2^{202001210122013} is an apocalyptic number.

It is an amenable number.

202001210122013 is a deficient number, since it is larger than the sum of its proper divisors (81881319907).

202001210122013 is an equidigital number, since it uses as much as digits as its factorization.

202001210122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81881319906.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202001210122013 its reverse (310221012100202), we get a palindrome (512222222222215).

The spelling of 202001210122013 in words is "two hundred two trillion, one billion, two hundred ten million, one hundred twenty-two thousand, thirteen".