10102020122012 has 24 divisors (see below), whose sum is σ = 21758197186656. Its totient is φ = 3996403564608.

The previous prime is 10102020121969. The next prime is 10102020122017. The reversal of 10102020122012 is 21022102020101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102020122017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13876400903 + ... + 13876401630.

It is an arithmetic number, because the mean of its divisors is an integer number (906591549444).

Almost surely, 2^{10102020122012} is an apocalyptic number.

It is an amenable number.

10102020122012 is an abundant number, since it is smaller than the sum of its proper divisors (11656177064644).

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

10102020122012 is a wasteful number, since it uses less digits than its factorization.

10102020122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27752802557 (or 27752802555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10102020122012 its reverse (21022102020101), we get a palindrome (31124122142113).

The spelling of 10102020122012 in words is "ten trillion, one hundred two billion, twenty million, one hundred twenty-two thousand, twelve".