102020100001212 has 48 divisors (see below), whose sum is σ = 242650564797312. Its totient is φ = 33355327060800.

The previous prime is 102020100001181. The next prime is 102020100001217. The reversal of 102020100001212 is 212100001020201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020100001217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393211438 + ... + 393470805.

It is an arithmetic number, because the mean of its divisors is an integer number (5055220099944).

Almost surely, 2^{102020100001212} is an apocalyptic number.

102020100001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102020100001212 is an abundant number, since it is smaller than the sum of its proper divisors (140630464796100).

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

102020100001212 is a wasteful number, since it uses less digits than its factorization.

102020100001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786682458 (or 786682456 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102020100001212 its reverse (212100001020201), we get a palindrome (314120101021413).

The spelling of 102020100001212 in words is "one hundred two trillion, twenty billion, one hundred million, one thousand, two hundred twelve".