2301232121120 has 96 divisors (see below), whose sum is σ = 5795099478000. Its totient is φ = 860531654656.

The previous prime is 2301232121107. The next prime is 2301232121129. The reversal of 2301232121120 is 211212321032.

It can be written as a sum of positive squares in 8 ways, for example, as 1120523868304 + 1180708252816 = 1058548^2 + 1086604^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2301232121092 and 2301232121101.

It is not an unprimeable number, because it can be changed into a prime (2301232121129) 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, 2433785 + ... + 3244344.

Almost surely, 2^{2301232121120} is an apocalyptic number.

2301232121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2301232121120 is an abundant number, since it is smaller than the sum of its proper divisors (3493867356880).

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

2301232121120 is a wasteful number, since it uses less digits than its factorization.

2301232121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678310 (or 5678302 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2301232121120 its reverse (211212321032), we get a palindrome (2512444442152).

The spelling of 2301232121120 in words is "two trillion, three hundred one billion, two hundred thirty-two million, one hundred twenty-one thousand, one hundred twenty".