12027770042 has 16 divisors (see below), whose sum is σ = 19126989312. Its totient is φ = 5662593360.

The previous prime is 12027770009. The next prime is 12027770063. The reversal of 12027770042 is 24007772021.

It is a happy number.

It is a super-3 number, since 3×12027770042³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12027769990 and 12027770008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2619278 + ... + 2623865.

It is an arithmetic number, because the mean of its divisors is an integer number (1195436832).

Almost surely, 2^12027770042 is an apocalyptic number.

12027770042 is a deficient number, since it is larger than the sum of its proper divisors (7099219270).

12027770042 is a wasteful number, since it uses less digits than its factorization.

12027770042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243213.

The product of its (nonzero) digits is 10976, while the sum is 32.

The spelling of 12027770042 in words is "twelve billion, twenty-seven million, seven hundred seventy thousand, forty-two".