122120101222020 has 72 divisors (see below), whose sum is σ = 404106516777600. Its totient is φ = 29604873023040.

The previous prime is 122120101222003. The next prime is 122120101222039. The reversal of 122120101222020 is 20222101021221.

It is a happy number.

122120101222020 is a `hidden beast` number, since 1 + 221 + 201 + 0 + 1 + 2 + 220 + 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 = 122120101221984 and 122120101222002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30838407420 + ... + 30838411379.

It is an arithmetic number, because the mean of its divisors is an integer number (5612590510800).

Almost surely, 2^{122120101222020} is an apocalyptic number.

122120101222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120101222020 is an abundant number, since it is smaller than the sum of its proper divisors (281986415555580).

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

122120101222020 is a wasteful number, since it uses less digits than its factorization.

122120101222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61676818825 (or 61676818820 counting only the distinct ones).

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

Adding to 122120101222020 its reverse (20222101021221), we get a palindrome (142342202243241).

The spelling of 122120101222020 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred one million, two hundred twenty-two thousand, twenty".