1213023402203 has 8 divisors (see below), whose sum is σ = 1231749775872. Its totient is φ = 1194423987456.

The previous prime is 1213023402193. The next prime is 1213023402251. The reversal of 1213023402203 is 3022043203121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213023402203 - 2⁴ = 1213023402187 is a prime.

It is a super-2 number, since 2×1213023402203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213023401203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31720475 + ... + 31758692.

It is an arithmetic number, because the mean of its divisors is an integer number (153968721984).

Almost surely, 2^{1213023402203} is an apocalyptic number.

1213023402203 is a deficient number, since it is larger than the sum of its proper divisors (18726373669).

1213023402203 is an equidigital number, since it uses as much as digits as its factorization.

1213023402203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63479461.

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

Adding to 1213023402203 its reverse (3022043203121), we get a palindrome (4235066605324).

The spelling of 1213023402203 in words is "one trillion, two hundred thirteen billion, twenty-three million, four hundred two thousand, two hundred three".