1213203002133 has 16 divisors (see below), whose sum is σ = 1638591494400. Its totient is φ = 798314649600.

The previous prime is 1213203002101. The next prime is 1213203002147. The reversal of 1213203002133 is 3312003023121.

It is not a de Polignac number, because 1213203002133 - 2⁵ = 1213203002101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213203052133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37068 + ... + 1558133.

It is an arithmetic number, because the mean of its divisors is an integer number (102411968400).

Almost surely, 2^{1213203002133} is an apocalyptic number.

It is an amenable number.

1213203002133 is a deficient number, since it is larger than the sum of its proper divisors (425388492267).

1213203002133 is a wasteful number, since it uses less digits than its factorization.

1213203002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598492.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1213203002133 its reverse (3312003023121), we get a palindrome (4525206025254).

The spelling of 1213203002133 in words is "one trillion, two hundred thirteen billion, two hundred three million, two thousand, one hundred thirty-three".