222120001222000 has 160 divisors (see below), whose sum is σ = 617578486447104. Its totient is φ = 75688216992000.

The previous prime is 222120001221983. The next prime is 222120001222051. The reversal of 222120001222000 is 222100021222.

It is a super-2 number, since 2×222120001222000² (a number of 29 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 46385836 + ... + 50949835.

Almost surely, 2^{222120001222000} is an apocalyptic number.

222120001222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120001222000 is an abundant number, since it is smaller than the sum of its proper divisors (395458485225104).

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

222120001222000 is a wasteful number, since it uses less digits than its factorization.

222120001222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97335864 (or 97335848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222120001222000 its reverse (222100021222), we get a palindrome (222342101243222).

The spelling of 222120001222000 in words is "two hundred twenty-two trillion, one hundred twenty billion, one million, two hundred twenty-two thousand".