120021210112 has 22 divisors (see below), whose sum is σ = 239925214058. Its totient is φ = 60010604544.

The previous prime is 120021210103. The next prime is 120021210121. The reversal of 120021210112 is 211012120021.

It is an interprime number because it is at equal distance from previous prime (120021210103) and next prime (120021210121).

It can be written as a sum of positive squares in only one way, i.e., 117522809856 + 2498400256 = 342816^2 + 49984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120021210092 and 120021210101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58603083 + ... + 58605130.

Almost surely, 2^120021210112 is an apocalyptic number.

It is an amenable number.

120021210112 is a deficient number, since it is larger than the sum of its proper divisors (119904003946).

120021210112 is an equidigital number, since it uses as much as digits as its factorization.

120021210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117208233 (or 117208215 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120021210112 its reverse (211012120021), we get a palindrome (331033330133).

Subtracting 120021210112 from its reverse (211012120021), we obtain a palindrome (90990909909).

The spelling of 120021210112 in words is "one hundred twenty billion, twenty-one million, two hundred ten thousand, one hundred twelve".