122420016501 has 16 divisors (see below), whose sum is σ = 168330052800. Its totient is φ = 79088382080.

The previous prime is 122420016479. The next prime is 122420016503. The reversal of 122420016501 is 105610024221.

It is a cyclic number.

It is not a de Polignac number, because 122420016501 - 2⁶ = 122420016437 is a prime.

It is a super-2 number, since 2×122420016501² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122420016503) 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, 3321555 + ... + 3358208.

It is an arithmetic number, because the mean of its divisors is an integer number (10520628300).

Almost surely, 2^122420016501 is an apocalyptic number.

It is an amenable number.

122420016501 is a deficient number, since it is larger than the sum of its proper divisors (45910036299).

122420016501 is a wasteful number, since it uses less digits than its factorization.

122420016501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679956.

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 122420016501 in words is "one hundred twenty-two billion, four hundred twenty million, sixteen thousand, five hundred one".