10101220102012 has 36 divisors (see below), whose sum is σ = 19143044149656. Its totient is φ = 4661728718400.

The previous prime is 10101220102003. The next prime is 10101220102021. The reversal of 10101220102012 is 21020102210101.

It is an interprime number because it is at equal distance from previous prime (10101220102003) and next prime (10101220102021).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10101220101983 and 10101220102001.

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, 7951387 + ... + 9133837.

Almost surely, 2^{10101220102012} is an apocalyptic number.

It is an amenable number.

10101220102012 is a deficient number, since it is larger than the sum of its proper divisors (9041824047644).

10101220102012 is a wasteful number, since it uses less digits than its factorization.

10101220102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195118 (or 1195103 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10101220102012 its reverse (21020102210101), we get a palindrome (31121322312113).

The spelling of 10101220102012 in words is "ten trillion, one hundred one billion, two hundred twenty million, one hundred two thousand, twelve".