1213555301402 has 32 divisors (see below), whose sum is σ = 1901579034240. Its totient is φ = 579754422720.

The previous prime is 1213555301401. The next prime is 1213555301423. The reversal of 1213555301402 is 2041035553121.

It is not an unprimeable number, because it can be changed into a prime (1213555301401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230667452 + ... + 230672712.

It is an arithmetic number, because the mean of its divisors is an integer number (59424344820).

Almost surely, 2^{1213555301402} is an apocalyptic number.

1213555301402 is a deficient number, since it is larger than the sum of its proper divisors (688023732838).

1213555301402 is a wasteful number, since it uses less digits than its factorization.

1213555301402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9878.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 1213555301402 in words is "one trillion, two hundred thirteen billion, five hundred fifty-five million, three hundred one thousand, four hundred two".