120001001010 has 48 divisors (see below), whose sum is σ = 316564633728. Its totient is φ = 29091150880.

The previous prime is 120001000997. The next prime is 120001001011. The reversal of 120001001010 is 10100100021.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 120001001010.

It is not an unprimeable number, because it can be changed into a prime (120001001011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16525434 + ... + 16532693.

It is an arithmetic number, because the mean of its divisors is an integer number (6595096536).

Almost surely, 2^120001001010 is an apocalyptic number.

120001001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120001001010 is an abundant number, since it is smaller than the sum of its proper divisors (196563632718).

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

120001001010 is a wasteful number, since it uses less digits than its factorization.

120001001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33058159 (or 33058148 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 120001001010 its reverse (10100100021), we get a palindrome (130101101031).

The spelling of 120001001010 in words is "one hundred twenty billion, one million, one thousand, ten".