122420131200106 has 64 divisors (see below), whose sum is σ = 190875879014400. Its totient is φ = 58823641800000.

The previous prime is 122420131200083. The next prime is 122420131200109. The reversal of 122420131200106 is 601002131024221.

It is a super-2 number, since 2×122420131200106² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122420131200109) 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, 21413348760 + ... + 21413354476.

It is an arithmetic number, because the mean of its divisors is an integer number (2982435609600).

Almost surely, 2^{122420131200106} is an apocalyptic number.

122420131200106 is a deficient number, since it is larger than the sum of its proper divisors (68455747814294).

122420131200106 is a wasteful number, since it uses less digits than its factorization.

122420131200106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 122420131200106 its reverse (601002131024221), we get a palindrome (723422262224327).

The spelling of 122420131200106 in words is "one hundred twenty-two trillion, four hundred twenty billion, one hundred thirty-one million, two hundred thousand, one hundred six".