2120012122001 has 8 divisors (see below), whose sum is σ = 2253925932480. Its totient is φ = 1989576592432.

The previous prime is 2120012121991. The next prime is 2120012122013. The reversal of 2120012122001 is 1002212100212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120012122001 - 2¹⁸ = 2120011859857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120012122051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869568971 + ... + 869571408.

It is an arithmetic number, because the mean of its divisors is an integer number (281740741560).

Almost surely, 2^{2120012122001} is an apocalyptic number.

It is an amenable number.

2120012122001 is a deficient number, since it is larger than the sum of its proper divisors (133913810479).

2120012122001 is a wasteful number, since it uses less digits than its factorization.

2120012122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739140455.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2120012122001 its reverse (1002212100212), we get a palindrome (3122224222213).

The spelling of 2120012122001 in words is "two trillion, one hundred twenty billion, twelve million, one hundred twenty-two thousand, one".