121244024020 has 48 divisors (see below), whose sum is σ = 291024357120. Its totient is φ = 41563851264.

The previous prime is 121244024017. The next prime is 121244024029. The reversal of 121244024020 is 20420442121.

121244024020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121244024020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121244023982 and 121244024000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121244024029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078636 + ... + 1185724.

It is an arithmetic number, because the mean of its divisors is an integer number (6063007440).

Almost surely, 2^121244024020 is an apocalyptic number.

121244024020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121244024020 is an abundant number, since it is smaller than the sum of its proper divisors (169780333100).

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

121244024020 is a wasteful number, since it uses less digits than its factorization.

121244024020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115192 (or 115190 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 121244024020 its reverse (20420442121), we get a palindrome (141664466141).

The spelling of 121244024020 in words is "one hundred twenty-one billion, two hundred forty-four million, twenty-four thousand, twenty".