1213323200402 has 16 divisors (see below), whose sum is σ = 1865036780640. Its totient is φ = 591685588032.

The previous prime is 1213323200393. The next prime is 1213323200417. The reversal of 1213323200402 is 2040023233121.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10269527 + ... + 10387002.

It is an arithmetic number, because the mean of its divisors is an integer number (116564798790).

Almost surely, 2^{1213323200402} is an apocalyptic number.

1213323200402 is a deficient number, since it is larger than the sum of its proper divisors (651713580238).

1213323200402 is a wasteful number, since it uses less digits than its factorization.

1213323200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20657257.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1213323200402 its reverse (2040023233121), we get a palindrome (3253346433523).

The spelling of 1213323200402 in words is "one trillion, two hundred thirteen billion, three hundred twenty-three million, two hundred thousand, four hundred two".