1012201122000 has 80 divisors (see below), whose sum is σ = 3263336436672. Its totient is φ = 269920297600.

The previous prime is 1012201121983. The next prime is 1012201122047. The reversal of 1012201122000 is 2211022101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1012201122000² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84344094 + ... + 84356093.

Almost surely, 2^{1012201122000} is an apocalyptic number.

1012201122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012201122000 is an abundant number, since it is smaller than the sum of its proper divisors (2251135314672).

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

1012201122000 is a wasteful number, since it uses less digits than its factorization.

1012201122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168700213 (or 168700197 counting only the distinct ones).

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

Adding to 1012201122000 its reverse (2211022101), we get a palindrome (1014412144101).

The spelling of 1012201122000 in words is "one trillion, twelve billion, two hundred one million, one hundred twenty-two thousand".