1213101134 has 32 divisors (see below), whose sum is σ = 2138400000. Its totient is φ = 515893560.

The previous prime is 1213101133. The next prime is 1213101139. The reversal of 1213101134 is 4311013121.

It is a super-2 number, since 2×1213101134² = 2943228722624171912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213101133) 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, 83117 + ... + 96615.

It is an arithmetic number, because the mean of its divisors is an integer number (66825000).

Almost surely, 2^1213101134 is an apocalyptic number.

1213101134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1213101134 is a deficient number, since it is larger than the sum of its proper divisors (925298866).

1213101134 is a wasteful number, since it uses less digits than its factorization.

1213101134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13653 (or 13639 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1213101134 is about 34829.6014045524. The cubic root of 1213101134 is about 1066.5118114824.

Adding to 1213101134 its reverse (4311013121), we get a palindrome (5524114255).

The spelling of 1213101134 in words is "one billion, two hundred thirteen million, one hundred one thousand, one hundred thirty-four".