121012033120 has 48 divisors (see below), whose sum is σ = 311881017168. Its totient is φ = 44004375040.

The previous prime is 121012033099. The next prime is 121012033157. The reversal of 121012033120 is 21330210121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 121012033094 and 121012033103.

It is a congruent number.

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, 34376659 + ... + 34380178.

It is an arithmetic number, because the mean of its divisors is an integer number (6497521191).

Almost surely, 2^121012033120 is an apocalyptic number.

121012033120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012033120 is an abundant number, since it is smaller than the sum of its proper divisors (190868984048).

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

121012033120 is a wasteful number, since it uses less digits than its factorization.

121012033120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68756863 (or 68756855 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121012033120 its reverse (21330210121), we get a palindrome (142342243241).

The spelling of 121012033120 in words is "one hundred twenty-one billion, twelve million, thirty-three thousand, one hundred twenty".