1404221112212 has 6 divisors (see below), whose sum is σ = 2457386946378. Its totient is φ = 702110556104.

The previous prime is 1404221112197. The next prime is 1404221112233. The reversal of 1404221112212 is 2122111224041.

It can be written as a sum of positive squares in only one way, i.e., 1337085192976 + 67135919236 = 1156324^2 + 259106^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175527639023 + ... + 175527639030.

It is an arithmetic number, because the mean of its divisors is an integer number (409564491063).

Almost surely, 2^{1404221112212} is an apocalyptic number.

It is an amenable number.

1404221112212 is a deficient number, since it is larger than the sum of its proper divisors (1053165834166).

1404221112212 is a wasteful number, since it uses less digits than its factorization.

1404221112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351055278057 (or 351055278055 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1404221112212 its reverse (2122111224041), we get a palindrome (3526332336253).

The spelling of 1404221112212 in words is "one trillion, four hundred four billion, two hundred twenty-one million, one hundred twelve thousand, two hundred twelve".