1401212330 has 24 divisors (see below), whose sum is σ = 2933968068. Its totient is φ = 480415488.

The previous prime is 1401212321. The next prime is 1401212347. The reversal of 1401212330 is 332121041.

It can be written as a sum of positive squares in 2 ways, for example, as 1338754921 + 62457409 = 36589^2 + 7903^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1401212299 and 1401212308.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1429319 + ... + 1430298.

Almost surely, 2^1401212330 is an apocalyptic number.

1401212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401212330 is an abundant number, since it is smaller than the sum of its proper divisors (1532755738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401212330 is a wasteful number, since it uses less digits than its factorization.

1401212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859638 (or 2859631 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1401212330 is about 37432.7708031345. The cubic root of 1401212330 is about 1119.0117584815.

Adding to 1401212330 its reverse (332121041), we get a palindrome (1733333371).

The spelling of 1401212330 in words is "one billion, four hundred one million, two hundred twelve thousand, three hundred thirty".