102210001021200 has 120 divisors (see below), whose sum is σ = 327943358326368. Its totient is φ = 27211825034240.

The previous prime is 102210001021109. The next prime is 102210001021229. The reversal of 102210001021200 is 2120100012201.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68283102 + ... + 69763901.

Almost surely, 2^{102210001021200} is an apocalyptic number.

102210001021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210001021200 is an abundant number, since it is smaller than the sum of its proper divisors (225733357305168).

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

102210001021200 is a wasteful number, since it uses less digits than its factorization.

102210001021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138047641 (or 138047630 counting only the distinct ones).

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

Adding to 102210001021200 its reverse (2120100012201), we get a palindrome (104330101033401).

The spelling of 102210001021200 in words is "one hundred two trillion, two hundred ten billion, one million, twenty-one thousand, two hundred".