102020120211212 has 48 divisors (see below), whose sum is σ = 216864062553600. Its totient is φ = 40994505230592.

The previous prime is 102020120211203. The next prime is 102020120211239. The reversal of 102020120211212 is 212112021020201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407342462 + ... + 407592837.

It is an arithmetic number, because the mean of its divisors is an integer number (4518001303200).

Almost surely, 2^{102020120211212} is an apocalyptic number.

It is an amenable number.

102020120211212 is an abundant number, since it is smaller than the sum of its proper divisors (114843942342388).

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

102020120211212 is a wasteful number, since it uses less digits than its factorization.

102020120211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814935590 (or 814935588 counting only the distinct ones).

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

Adding to 102020120211212 its reverse (212112021020201), we get a palindrome (314132141231413).

The spelling of 102020120211212 in words is "one hundred two trillion, twenty billion, one hundred twenty million, two hundred eleven thousand, two hundred twelve".