122012000111 has 4 divisors (see below), whose sum is σ = 122201755032. Its totient is φ = 121822245192.

The previous prime is 122012000107. The next prime is 122012000147. The reversal of 122012000111 is 111000210221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122012000111 - 2² = 122012000107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122012000092 and 122012000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012000311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94876496 + ... + 94877781.

It is an arithmetic number, because the mean of its divisors is an integer number (30550438758).

Almost surely, 2^122012000111 is an apocalyptic number.

122012000111 is a deficient number, since it is larger than the sum of its proper divisors (189754921).

122012000111 is an equidigital number, since it uses as much as digits as its factorization.

122012000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189754920.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122012000111 its reverse (111000210221), we get a palindrome (233012210332).

The spelling of 122012000111 in words is "one hundred twenty-two billion, twelve million, one hundred eleven", and thus it is an aban number.