122120102020020 has 48 divisors (see below), whose sum is σ = 368239076862720. Its totient is φ = 30060332804736.

The previous prime is 122120102020003. The next prime is 122120102020139. The reversal of 122120102020020 is 20020201021221.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 78282115900 + ... + 78282117459.

It is an arithmetic number, because the mean of its divisors is an integer number (7671647434640).

Almost surely, 2^{122120102020020} is an apocalyptic number.

122120102020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120102020020 is an abundant number, since it is smaller than the sum of its proper divisors (246118974842700).

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

122120102020020 is a wasteful number, since it uses less digits than its factorization.

122120102020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156564233384 (or 156564233382 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122120102020020 its reverse (20020201021221), we get a palindrome (142140303041241).

The spelling of 122120102020020 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred two million, twenty thousand, twenty".