12101222311020 has 144 divisors (see below), whose sum is σ = 37701059174688. Its totient is φ = 3139615365120.

The previous prime is 12101222311001. The next prime is 12101222311067. The reversal of 12101222311020 is 2011322210121.

12101222311020 is a `hidden beast` number, since 1 + 210 + 122 + 2 + 311 + 0 + 20 = 666.

It is a super-2 number, since 2×12101222311020² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 12101222310984 and 12101222311002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184389252 + ... + 184454868.

Almost surely, 2^{12101222311020} is an apocalyptic number.

12101222311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101222311020 is an abundant number, since it is smaller than the sum of its proper divisors (25599836863668).

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

12101222311020 is a wasteful number, since it uses less digits than its factorization.

12101222311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93360 (or 93355 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12101222311020 its reverse (2011322210121), we get a palindrome (14112544521141).

The spelling of 12101222311020 in words is "twelve trillion, one hundred one billion, two hundred twenty-two million, three hundred eleven thousand, twenty".