120212211220020 has 48 divisors (see below), whose sum is σ = 373993546019520. Its totient is φ = 32056589658528.

The previous prime is 120212211219979. The next prime is 120212211220033. The reversal of 120212211220020 is 20022112212021.

It is a happy number.

120212211220020 is a `hidden beast` number, since 1 + 2 + 0 + 212 + 211 + 220 + 0 + 20 = 666.

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 = 120212211219975 and 120212211220002.

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, 111307602442 + ... + 111307603521.

It is an arithmetic number, because the mean of its divisors is an integer number (7791532208740).

Almost surely, 2^{120212211220020} is an apocalyptic number.

120212211220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212211220020 is an abundant number, since it is smaller than the sum of its proper divisors (253781334799500).

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

120212211220020 is a wasteful number, since it uses less digits than its factorization.

120212211220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222615205981 (or 222615205973 counting only the distinct ones).

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

Adding to 120212211220020 its reverse (20022112212021), we get a palindrome (140234323432041).

The spelling of 120212211220020 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty thousand, twenty".