12002542101 has 12 divisors (see below), whose sum is σ = 18913096800. Its totient is φ = 7274267880.

The previous prime is 12002542093. The next prime is 12002542109. The reversal of 12002542101 is 10124520021.

12002542101 is a `hidden beast` number, since 1 + 20 + 0 + 2 + 542 + 101 = 666.

It is an interprime number because it is at equal distance from previous prime (12002542093) and next prime (12002542109).

It is not a de Polignac number, because 12002542101 - 2³ = 12002542093 is a prime.

It is a super-2 number, since 2×12002542101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002542109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60618801 + ... + 60618998.

It is an arithmetic number, because the mean of its divisors is an integer number (1576091400).

Almost surely, 2^12002542101 is an apocalyptic number.

12002542101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12002542101 is a deficient number, since it is larger than the sum of its proper divisors (6910554699).

12002542101 is a wasteful number, since it uses less digits than its factorization.

12002542101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121237816 (or 121237813 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The spelling of 12002542101 in words is "twelve billion, two million, five hundred forty-two thousand, one hundred one".