202012221210000 has 200 divisors, whose sum is σ = 655399401307200. Its totient is φ = 53599220928000.

The previous prime is 202012221209969. The next prime is 202012221210029. The reversal of 202012221210000 is 12122210202.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10948947 + ... + 22888946.

It is an arithmetic number, because the mean of its divisors is an integer number (3276997006536).

Almost surely, 2^{202012221210000} is an apocalyptic number.

202012221210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012221210000 is an abundant number, since it is smaller than the sum of its proper divisors (453387180097200).

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

202012221210000 is a wasteful number, since it uses less digits than its factorization.

202012221210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33838123 (or 33838102 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202012221210000 its reverse (12122210202), we get a palindrome (202024343420202).

The spelling of 202012221210000 in words is "two hundred two trillion, twelve billion, two hundred twenty-one million, two hundred ten thousand".