122420035024551 has 12 divisors (see below), whose sum is σ = 192904297614600. Its totient is φ = 74193960620880.

The previous prime is 122420035024477. The next prime is 122420035024619. The reversal of 122420035024551 is 155420530024221.

122420035024551 is a `hidden beast` number, since 1 + 22 + 42 + 0 + 0 + 3 + 502 + 45 + 51 = 666.

It is not a de Polignac number, because 122420035024551 - 2¹³ = 122420035016359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122420035024351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618283005076 + ... + 618283005273.

It is an arithmetic number, because the mean of its divisors is an integer number (16075358134550).

Almost surely, 2^{122420035024551} is an apocalyptic number.

122420035024551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122420035024551 is a deficient number, since it is larger than the sum of its proper divisors (70484262590049).

122420035024551 is a wasteful number, since it uses less digits than its factorization.

122420035024551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236566010366 (or 1236566010363 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 122420035024551 its reverse (155420530024221), we get a palindrome (277840565048772).

The spelling of 122420035024551 in words is "one hundred twenty-two trillion, four hundred twenty billion, thirty-five million, twenty-four thousand, five hundred fifty-one".