120001210000011 has 24 divisors (see below), whose sum is σ = 183891834696960. Its totient is φ = 75146949747456.

The previous prime is 120001209999961. The next prime is 120001210000037. The reversal of 120001210000011 is 110000012100021.

It is a happy number.

It is not a de Polignac number, because 120001210000011 - 2²⁷ = 120001075782283 is a prime.

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 = 120001209999948 and 120001210000002.

It is not an unprimeable number, because it can be changed into a prime (120001210000211) 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, 770375595 + ... + 770531348.

It is an arithmetic number, because the mean of its divisors is an integer number (7662159779040).

Almost surely, 2^{120001210000011} is an apocalyptic number.

120001210000011 is a deficient number, since it is larger than the sum of its proper divisors (63890624696949).

120001210000011 is a wasteful number, since it uses less digits than its factorization.

120001210000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540907475 (or 1540907472 counting only the distinct ones).

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

Adding to 120001210000011 its reverse (110000012100021), we get a palindrome (230001222100032).

The spelling of 120001210000011 in words is "one hundred twenty trillion, one billion, two hundred ten million, eleven", and thus it is an aban number.