12101210121001 has 16 divisors (see below), whose sum is σ = 12219067936768. Its totient is φ = 11983713739200.

The previous prime is 12101210120977. The next prime is 12101210121029. The reversal of 12101210121001 is 10012101210121.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101210121001 is a prime.

It is a super-2 number, since 2×12101210121001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101210121031) 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, 422794471 + ... + 422823091.

It is an arithmetic number, because the mean of its divisors is an integer number (763691746048).

Almost surely, 2^{12101210121001} is an apocalyptic number.

It is an amenable number.

12101210121001 is a deficient number, since it is larger than the sum of its proper divisors (117857815767).

12101210121001 is a wasteful number, since it uses less digits than its factorization.

12101210121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34792.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101210121001 its reverse (10012101210121), we get a palindrome (22113311331122).

The spelling of 12101210121001 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred twenty-one thousand, one".