20120100122001 has 8 divisors (see below), whose sum is σ = 29265600177504. Its totient is φ = 12194000073920.

The previous prime is 20120100121991. The next prime is 20120100122027. The reversal of 20120100122001 is 10022100102102.

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 20120100122001 - 2⁹ = 20120100121489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120100122071) 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, 304850001816 + ... + 304850001881.

It is an arithmetic number, because the mean of its divisors is an integer number (3658200022188).

Almost surely, 2^{20120100122001} is an apocalyptic number.

It is an amenable number.

20120100122001 is a deficient number, since it is larger than the sum of its proper divisors (9145500055503).

20120100122001 is a wasteful number, since it uses less digits than its factorization.

20120100122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609700003711.

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

Adding to 20120100122001 its reverse (10022100102102), we get a palindrome (30142200224103).

The spelling of 20120100122001 in words is "twenty trillion, one hundred twenty billion, one hundred million, one hundred twenty-two thousand, one".