10401213402 has 20 divisors (see below), whose sum is σ = 23306422986. Its totient is φ = 3467071080.

The previous prime is 10401213401. The next prime is 10401213413. The reversal of 10401213402 is 20431210401.

10401213402 is a `hidden beast` number, since 10 + 40 + 1 + 213 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5421229641 + 4979983761 = 73629^2 + 70569^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10401213401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32102349 + ... + 32102672.

Almost surely, 2^10401213402 is an apocalyptic number.

10401213402 is an abundant number, since it is smaller than the sum of its proper divisors (12905209584).

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

10401213402 is an equidigital number, since it uses as much as digits as its factorization.

10401213402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64205035 (or 64205026 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10401213402 its reverse (20431210401), we get a palindrome (30832423803).

The spelling of 10401213402 in words is "ten billion, four hundred one million, two hundred thirteen thousand, four hundred two".