102020211213204 has 24 divisors (see below), whose sum is σ = 238047683817888. Its totient is φ = 34006662168160.

The previous prime is 102020211213191. The next prime is 102020211213209. The reversal of 102020211213204 is 402312112020201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020211213209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3543027 + ... + 14717114.

It is an arithmetic number, because the mean of its divisors is an integer number (9918653492412).

Almost surely, 2^{102020211213204} is an apocalyptic number.

It is an amenable number.

102020211213204 is an abundant number, since it is smaller than the sum of its proper divisors (136027472604684).

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

102020211213204 is a wasteful number, since it uses less digits than its factorization.

102020211213204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18725735 (or 18725733 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102020211213204 its reverse (402312112020201), we get a palindrome (504332323233405).

The spelling of 102020211213204 in words is "one hundred two trillion, twenty billion, two hundred eleven million, two hundred thirteen thousand, two hundred four".