122420131200131 has 4 divisors (see below), whose sum is σ = 129621315388392. Its totient is φ = 115218947011872.

The previous prime is 122420131200127. The next prime is 122420131200149. The reversal of 122420131200131 is 131002131024221.

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 122420131200131 - 2² = 122420131200127 is a prime.

It is a super-2 number, since 2×122420131200131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122420131200097 and 122420131200106.

It is not an unprimeable number, because it can be changed into a prime (122420131200151) 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, 3600592094105 + ... + 3600592094138.

It is an arithmetic number, because the mean of its divisors is an integer number (32405328847098).

Almost surely, 2^{122420131200131} is an apocalyptic number.

122420131200131 is a deficient number, since it is larger than the sum of its proper divisors (7201184188261).

122420131200131 is an equidigital number, since it uses as much as digits as its factorization.

122420131200131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201184188260.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 122420131200131 its reverse (131002131024221), we get a palindrome (253422262224352).

The spelling of 122420131200131 in words is "one hundred twenty-two trillion, four hundred twenty billion, one hundred thirty-one million, two hundred thousand, one hundred thirty-one".