123213001412 has 6 divisors (see below), whose sum is σ = 215622752478. Its totient is φ = 61606500704.

The previous prime is 123213001393. The next prime is 123213001427. The reversal of 123213001412 is 214100312321.

It can be written as a sum of positive squares in only one way, i.e., 113369583616 + 9843417796 = 336704^2 + 99214^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15401625173 + ... + 15401625180.

It is an arithmetic number, because the mean of its divisors is an integer number (35937125413).

Almost surely, 2^123213001412 is an apocalyptic number.

It is an amenable number.

123213001412 is a deficient number, since it is larger than the sum of its proper divisors (92409751066).

123213001412 is a wasteful number, since it uses less digits than its factorization.

123213001412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30803250357 (or 30803250355 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 123213001412 its reverse (214100312321), we get a palindrome (337313313733).

The spelling of 123213001412 in words is "one hundred twenty-three billion, two hundred thirteen million, one thousand, four hundred twelve".