1212131034 has 32 divisors (see below), whose sum is σ = 2750941440. Its totient is φ = 395446176.

The previous prime is 1212131029. The next prime is 1212131051. The reversal of 1212131034 is 4301312121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212130998 and 1212131016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236259 + ... + 241334.

It is an arithmetic number, because the mean of its divisors is an integer number (85966920).

Almost surely, 2^1212131034 is an apocalyptic number.

1212131034 is an abundant number, since it is smaller than the sum of its proper divisors (1538810406).

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

1212131034 is a wasteful number, since it uses less digits than its factorization.

1212131034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477651 (or 477645 counting only the distinct ones).

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

The square root of 1212131034 is about 34815.6722468488. The cubic root of 1212131034 is about 1066.2274441440.

Adding to 1212131034 its reverse (4301312121), we get a palindrome (5513443155).

The spelling of 1212131034 in words is "one billion, two hundred twelve million, one hundred thirty-one thousand, thirty-four".