122001212100001 has 16 divisors (see below), whose sum is σ = 137099088290304. Its totient is φ = 107719555293504.

The previous prime is 122001212099999. The next prime is 122001212100017. The reversal of 122001212100001 is 100001212100221.

It is a cyclic number.

It is not a de Polignac number, because 122001212100001 - 2¹ = 122001212099999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122001212100701) 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, 60447775 + ... + 62433451.

It is an arithmetic number, because the mean of its divisors is an integer number (8568693018144).

Almost surely, 2^{122001212100001} is an apocalyptic number.

It is an amenable number.

122001212100001 is a deficient number, since it is larger than the sum of its proper divisors (15097876190303).

122001212100001 is a wasteful number, since it uses less digits than its factorization.

122001212100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191200.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122001212100001 its reverse (100001212100221), we get a palindrome (222002424200222).

The spelling of 122001212100001 in words is "one hundred twenty-two trillion, one billion, two hundred twelve million, one hundred thousand, one".