202201122201012 has 72 divisors (see below), whose sum is σ = 557607632373792. Its totient is φ = 61270570670400.

The previous prime is 202201122201007. The next prime is 202201122201017. The reversal of 202201122201012 is 210102221102202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (202201122201007) and next prime (202201122201017).

It is a super-2 number, since 2×202201122201012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201122201017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 660363 + ... + 20120594.

It is an arithmetic number, because the mean of its divisors is an integer number (7744550449636).

Almost surely, 2^{202201122201012} is an apocalyptic number.

202201122201012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202201122201012 is an abundant number, since it is smaller than the sum of its proper divisors (355406510172780).

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

202201122201012 is a wasteful number, since it uses less digits than its factorization.

202201122201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20805549 (or 20805544 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202201122201012 its reverse (210102221102202), we get a palindrome (412303343303214).

The spelling of 202201122201012 in words is "two hundred two trillion, two hundred one billion, one hundred twenty-two million, two hundred one thousand, twelve".