122001612621 has 48 divisors (see below), whose sum is σ = 195414225408. Its totient is φ = 67437619200.

The previous prime is 122001612617. The next prime is 122001612631. The reversal of 122001612621 is 126216100221.

It is not a de Polignac number, because 122001612621 - 2² = 122001612617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122001612591 and 122001612600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001612631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15093301 + ... + 15101381.

It is an arithmetic number, because the mean of its divisors is an integer number (4071129696).

Almost surely, 2^122001612621 is an apocalyptic number.

It is an amenable number.

122001612621 is a deficient number, since it is larger than the sum of its proper divisors (73412612787).

122001612621 is a wasteful number, since it uses less digits than its factorization.

122001612621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442 (or 11435 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 122001612621 its reverse (126216100221), we get a palindrome (248217712842).

The spelling of 122001612621 in words is "one hundred twenty-two billion, one million, six hundred twelve thousand, six hundred twenty-one".