1213203002134 has 32 divisors (see below), whose sum is σ = 1999594598400. Its totient is φ = 549888419520.

The previous prime is 1213203002101. The next prime is 1213203002147. The reversal of 1213203002134 is 4312003023121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5681022 + ... + 5890705.

It is an arithmetic number, because the mean of its divisors is an integer number (62487331200).

Almost surely, 2^{1213203002134} is an apocalyptic number.

1213203002134 is a deficient number, since it is larger than the sum of its proper divisors (786391596266).

1213203002134 is a wasteful number, since it uses less digits than its factorization.

1213203002134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11571868.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1213203002134 its reverse (4312003023121), we get a palindrome (5525206025255).

The spelling of 1213203002134 in words is "one trillion, two hundred thirteen billion, two hundred three million, two thousand, one hundred thirty-four".