120012101010 has 64 divisors (see below), whose sum is σ = 320093804160. Its totient is φ = 31997073600.

The previous prime is 120012100991. The next prime is 120012101017. The reversal of 120012101010 is 10101210021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120012100983 and 120012101001.

It is not an unprimeable number, because it can be changed into a prime (120012101017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1462060 + ... + 1541960.

It is an arithmetic number, because the mean of its divisors is an integer number (5001465690).

Almost surely, 2^120012101010 is an apocalyptic number.

120012101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120012101010 is an abundant number, since it is smaller than the sum of its proper divisors (200081703150).

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

120012101010 is a wasteful number, since it uses less digits than its factorization.

120012101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85480 (or 85474 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120012101010 its reverse (10101210021), we get a palindrome (130113311031).

The spelling of 120012101010 in words is "one hundred twenty billion, twelve million, one hundred one thousand, ten".