1212031134 has 16 divisors (see below), whose sum is σ = 2693402640. Its totient is φ = 404010360.

The previous prime is 1212031127. The next prime is 1212031141. The reversal of 1212031134 is 4311302121.

It is an interprime number because it is at equal distance from previous prime (1212031127) and next prime (1212031141).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11222457 + ... + 11222564.

It is an arithmetic number, because the mean of its divisors is an integer number (168337665).

Almost surely, 2^1212031134 is an apocalyptic number.

1212031134 is an abundant number, since it is smaller than the sum of its proper divisors (1481371506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212031134 is a wasteful number, since it uses less digits than its factorization.

1212031134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22445032 (or 22445026 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1212031134 is about 34814.2375185785. The cubic root of 1212031134 is about 1066.1981516431.

Adding to 1212031134 its reverse (4311302121), we get a palindrome (5523333255).

The spelling of 1212031134 in words is "one billion, two hundred twelve million, thirty-one thousand, one hundred thirty-four".