12266071442 has 16 divisors (see below), whose sum is σ = 19278749952. Its totient is φ = 5842034880.

The previous prime is 12266071427. The next prime is 12266071451. The reversal of 12266071442 is 24417066221.

It is a happy number.

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, 542138 + ... + 564309.

It is an arithmetic number, because the mean of its divisors is an integer number (1204921872).

Almost surely, 2^12266071442 is an apocalyptic number.

12266071442 is a deficient number, since it is larger than the sum of its proper divisors (7012678510).

12266071442 is a wasteful number, since it uses less digits than its factorization.

12266071442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106713.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 12266071442 in words is "twelve billion, two hundred sixty-six million, seventy-one thousand, four hundred forty-two".