3121120032 has 48 divisors (see below), whose sum is σ = 8674882272. Its totient is φ = 979174400.

The previous prime is 3121120031. The next prime is 3121120069. The reversal of 3121120032 is 2300211213.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 3121119993 and 3121120020.

It is not an unprimeable number, because it can be changed into a prime (3121120031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954594 + ... + 957857.

It is an arithmetic number, because the mean of its divisors is an integer number (180726714).

Almost surely, 2^3121120032 is an apocalyptic number.

3121120032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3121120032 is an abundant number, since it is smaller than the sum of its proper divisors (5553762240).

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

3121120032 is a wasteful number, since it uses less digits than its factorization.

3121120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912481 (or 1912473 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3121120032 is about 55866.9851701342. The cubic root of 3121120032 is about 1461.4035467696.

Adding to 3121120032 its reverse (2300211213), we get a palindrome (5421331245).

The spelling of 3121120032 in words is "three billion, one hundred twenty-one million, one hundred twenty thousand, thirty-two".