120231211030 has 128 divisors (see below), whose sum is σ = 257346802944. Its totient is φ = 39585024000.

The previous prime is 120231210959. The next prime is 120231211039. The reversal of 120231211030 is 30112132021.

It is a junction number, because it is equal to n+sod(n) for n = 120231210995 and 120231211013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120231211039) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120592492 + ... + 120593488.

It is an arithmetic number, because the mean of its divisors is an integer number (2010521898).

Almost surely, 2^120231211030 is an apocalyptic number.

120231211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120231211030 is an abundant number, since it is smaller than the sum of its proper divisors (137115591914).

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

120231211030 is a wasteful number, since it uses less digits than its factorization.

120231211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120231211030 its reverse (30112132021), we get a palindrome (150343343051).

The spelling of 120231211030 in words is "one hundred twenty billion, two hundred thirty-one million, two hundred eleven thousand, thirty".