12021512114 has 16 divisors (see below), whose sum is σ = 18226930176. Its totient is φ = 5946217200.

The previous prime is 12021512053. The next prime is 12021512117. The reversal of 12021512114 is 41121512021.

It is a super-4 number, since 4×12021512114⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (12021512117) 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, 17792 + ... + 156075.

It is an arithmetic number, because the mean of its divisors is an integer number (1139183136).

Almost surely, 2^12021512114 is an apocalyptic number.

12021512114 is a deficient number, since it is larger than the sum of its proper divisors (6205418062).

12021512114 is a wasteful number, since it uses less digits than its factorization.

12021512114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174241.

The product of its (nonzero) digits is 160, while the sum is 20.

The spelling of 12021512114 in words is "twelve billion, twenty-one million, five hundred twelve thousand, one hundred fourteen".