1212131234 has 8 divisors (see below), whose sum is σ = 1897248960. Its totient is φ = 579714916.

The previous prime is 1212131233. The next prime is 1212131287. The reversal of 1212131234 is 4321312121.

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

It is not an unprimeable number, because it can be changed into a prime (1212131233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13175294 + ... + 13175385.

It is an arithmetic number, because the mean of its divisors is an integer number (237156120).

Almost surely, 2^1212131234 is an apocalyptic number.

1212131234 is a deficient number, since it is larger than the sum of its proper divisors (685117726).

1212131234 is a wasteful number, since it uses less digits than its factorization.

1212131234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26350704.

The product of its digits is 288, while the sum is 20.

The square root of 1212131234 is about 34815.6751191184. The cubic root of 1212131234 is about 1066.2275027860.

Adding to 1212131234 its reverse (4321312121), we get a palindrome (5533443355).

The spelling of 1212131234 in words is "one billion, two hundred twelve million, one hundred thirty-one thousand, two hundred thirty-four".