404242002212 has 6 divisors (see below), whose sum is σ = 707423503878. Its totient is φ = 202121001104.

The previous prime is 404242002191. The next prime is 404242002247. The reversal of 404242002212 is 212200242404.

It can be written as a sum of positive squares in only one way, i.e., 396426381376 + 7815620836 = 629624^2 + 88406^2 .

It is a super-2 number, since 2×404242002212² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50530250273 + ... + 50530250280.

It is an arithmetic number, because the mean of its divisors is an integer number (117903917313).

Almost surely, 2^404242002212 is an apocalyptic number.

It is an amenable number.

404242002212 is a deficient number, since it is larger than the sum of its proper divisors (303181501666).

404242002212 is a wasteful number, since it uses less digits than its factorization.

404242002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101060500557 (or 101060500555 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 404242002212 its reverse (212200242404), we get a palindrome (616442244616).

The spelling of 404242002212 in words is "four hundred four billion, two hundred forty-two million, two thousand, two hundred twelve".