122212000100001 has 128 divisors (see below), whose sum is σ = 214352422502400. Its totient is φ = 60232327418880.

The previous prime is 122212000099979. The next prime is 122212000100009. The reversal of 122212000100001 is 100001000212221.

It is not a de Polignac number, because 122212000100001 - 2²² = 122211995905697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122212000100001.

It is not an unprimeable number, because it can be changed into a prime (122212000100009) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 470671456 + ... + 470931038.

It is an arithmetic number, because the mean of its divisors is an integer number (1674628300800).

Almost surely, 2^{122212000100001} is an apocalyptic number.

It is an amenable number.

122212000100001 is a deficient number, since it is larger than the sum of its proper divisors (92140422402399).

122212000100001 is a wasteful number, since it uses less digits than its factorization.

122212000100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261899.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122212000100001 its reverse (100001000212221), we get a palindrome (222213000312222).

The spelling of 122212000100001 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred thousand, one".