10102122021212 has 36 divisors (see below), whose sum is σ = 20269294276896. Its totient is φ = 4388252094720.

The previous prime is 10102122021203. The next prime is 10102122021289. The reversal of 10102122021212 is 21212022120101.

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 11 ways as a sum of consecutive naturals, for example, 439516964 + ... + 439539947.

It is an arithmetic number, because the mean of its divisors is an integer number (563035952136).

Almost surely, 2^{10102122021212} is an apocalyptic number.

It is an amenable number.

10102122021212 is an abundant number, since it is smaller than the sum of its proper divisors (10167172255684).

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

10102122021212 is a wasteful number, since it uses less digits than its factorization.

10102122021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879056958 (or 879056943 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10102122021212 its reverse (21212022120101), we get a palindrome (31314144141313).

The spelling of 10102122021212 in words is "ten trillion, one hundred two billion, one hundred twenty-two million, twenty-one thousand, two hundred twelve".