1012221202200 has 192 divisors, whose sum is σ = 3434660896800. Its totient is φ = 245077401600.

The previous prime is 1012221202177. The next prime is 1012221202229. The reversal of 1012221202200 is 22021222101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1012221202200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 587905 + ... + 1539504.

Almost surely, 2^{1012221202200} is an apocalyptic number.

1012221202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012221202200 is an abundant number, since it is smaller than the sum of its proper divisors (2422439694600).

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

1012221202200 is a wasteful number, since it uses less digits than its factorization.

1012221202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127502 (or 2127493 counting only the distinct ones).

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

Adding to 1012221202200 its reverse (22021222101), we get a palindrome (1034242424301).

The spelling of 1012221202200 in words is "one trillion, twelve billion, two hundred twenty-one million, two hundred two thousand, two hundred".