121201003223020 has 24 divisors (see below), whose sum is σ = 290882407735584. Its totient is φ = 41554629676416.

The previous prime is 121201003223011. The next prime is 121201003223039. The reversal of 121201003223020 is 20322300102121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432860725657 + ... + 432860725936.

It is an arithmetic number, because the mean of its divisors is an integer number (12120100322316).

Almost surely, 2^{121201003223020} is an apocalyptic number.

121201003223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121201003223020 is an abundant number, since it is smaller than the sum of its proper divisors (169681404512564).

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

121201003223020 is a wasteful number, since it uses less digits than its factorization.

121201003223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865721451609 (or 865721451607 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121201003223020 its reverse (20322300102121), we get a palindrome (141523303325141).

The spelling of 121201003223020 in words is "one hundred twenty-one trillion, two hundred one billion, three million, two hundred twenty-three thousand, twenty".