21230102201200 has 60 divisors (see below), whose sum is σ = 51012490045248. Its totient is φ = 8490847206400.

The previous prime is 21230102201153. The next prime is 21230102201257. The reversal of 21230102201200 is 210220103212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 878272 + ... + 6575071.

Almost surely, 2^{21230102201200} is an apocalyptic number.

21230102201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21230102201200 is an abundant number, since it is smaller than the sum of its proper divisors (29782387844048).

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

21230102201200 is a wasteful number, since it uses less digits than its factorization.

21230102201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7460482 (or 7460471 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21230102201200 its reverse (210220103212), we get a palindrome (21440322304412).

The spelling of 21230102201200 in words is "twenty-one trillion, two hundred thirty billion, one hundred two million, two hundred one thousand, two hundred".