120011123232220 has 96 divisors (see below), whose sum is σ = 290519748126720. Its totient is φ = 41214606850560.

The previous prime is 120011123232181. The next prime is 120011123232283. The reversal of 120011123232220 is 22232321110021.

It is a super-2 number, since 2×120011123232220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 120011123232191 and 120011123232200.

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, 149711737 + ... + 150511216.

It is an arithmetic number, because the mean of its divisors is an integer number (3026247376320).

Almost surely, 2^{120011123232220} is an apocalyptic number.

120011123232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011123232220 is an abundant number, since it is smaller than the sum of its proper divisors (170508624894500).

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

120011123232220 is a wasteful number, since it uses less digits than its factorization.

120011123232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300223075 (or 300223073 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 120011123232220 its reverse (22232321110021), we get a palindrome (142243444342241).

The spelling of 120011123232220 in words is "one hundred twenty trillion, eleven billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred twenty".