120421034120 has 32 divisors (see below), whose sum is σ = 273740607000. Its totient is φ = 47671830528.

The previous prime is 120421034117. The next prime is 120421034141. The reversal of 120421034120 is 21430124021.

It can be written as a sum of positive squares in 4 ways, for example, as 118816711204 + 1604322916 = 344698^2 + 40054^2 .

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 = 120421034092 and 120421034101.

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, 15514295 + ... + 15522054.

Almost surely, 2^120421034120 is an apocalyptic number.

120421034120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120421034120 is an abundant number, since it is smaller than the sum of its proper divisors (153319572880).

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

120421034120 is a wasteful number, since it uses less digits than its factorization.

120421034120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31036457 (or 31036453 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 120421034120 its reverse (21430124021), we get a palindrome (141851158141).

The spelling of 120421034120 in words is "one hundred twenty billion, four hundred twenty-one million, thirty-four thousand, one hundred twenty".