1401213412 has 12 divisors (see below), whose sum is σ = 2452517676. Its totient is φ = 700494080.

The previous prime is 1401213377. The next prime is 1401213439. The reversal of 1401213412 is 2143121041.

It can be written as a sum of positive squares in 2 ways, for example, as 329567716 + 1071645696 = 18154^2 + 32736^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1401213412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888 + ... + 53080.

It is an arithmetic number, because the mean of its divisors is an integer number (204376473).

Almost surely, 2^1401213412 is an apocalyptic number.

It is an amenable number.

1401213412 is a deficient number, since it is larger than the sum of its proper divisors (1051304264).

1401213412 is a wasteful number, since it uses less digits than its factorization.

1401213412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56318 (or 56316 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1401213412 is about 37432.7852557087. The cubic root of 1401213412 is about 1119.0120465107.

Adding to 1401213412 its reverse (2143121041), we get a palindrome (3544334453).

The spelling of 1401213412 in words is "one billion, four hundred one million, two hundred thirteen thousand, four hundred twelve".