120421210030 has 64 divisors (see below), whose sum is σ = 251872975872. Its totient is φ = 40966781440.

The previous prime is 120421209977. The next prime is 120421210043. The reversal of 120421210030 is 30012124021.

120421210030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 120421209986 and 120421210013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119487 + ... + 505093.

It is an arithmetic number, because the mean of its divisors is an integer number (3935515248).

Almost surely, 2^120421210030 is an apocalyptic number.

120421210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120421210030 is an abundant number, since it is smaller than the sum of its proper divisors (131451765842).

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

120421210030 is a wasteful number, since it uses less digits than its factorization.

120421210030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385809.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120421210030 its reverse (30012124021), we get a palindrome (150433334051).

The spelling of 120421210030 in words is "one hundred twenty billion, four hundred twenty-one million, two hundred ten thousand, thirty".