122344121352551 has 16 divisors (see below), whose sum is σ = 140758083323904. Its totient is φ = 104164650311904.

The previous prime is 122344121352473. The next prime is 122344121352559. The reversal of 122344121352551 is 155253121443221.

It is not a de Polignac number, because 122344121352551 - 2¹⁸ = 122344121090407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122344121352499 and 122344121352508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122344121352559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14666135 + ... + 21442568.

It is an arithmetic number, because the mean of its divisors is an integer number (8797380207744).

Almost surely, 2^{122344121352551} is an apocalyptic number.

122344121352551 is a deficient number, since it is larger than the sum of its proper divisors (18413961971353).

122344121352551 is a wasteful number, since it uses less digits than its factorization.

122344121352551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36111950.

The product of its digits is 288000, while the sum is 41.

Adding to 122344121352551 its reverse (155253121443221), we get a palindrome (277597242795772).

The spelling of 122344121352551 in words is "one hundred twenty-two trillion, three hundred forty-four billion, one hundred twenty-one million, three hundred fifty-two thousand, five hundred fifty-one".