1151334531212 has 12 divisors (see below), whose sum is σ = 2015035404480. Its totient is φ = 575610129936.

The previous prime is 1151334531157. The next prime is 1151334531239. The reversal of 1151334531212 is 2121354331511.

It is a super-2 number, since 2×1151334531212² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 14238563 + ... + 14319194.

It is an arithmetic number, because the mean of its divisors is an integer number (167919617040).

Almost surely, 2^{1151334531212} is an apocalyptic number.

It is an amenable number.

1151334531212 is a deficient number, since it is larger than the sum of its proper divisors (863700873268).

1151334531212 is a wasteful number, since it uses less digits than its factorization.

1151334531212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28567840 (or 28567838 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

Adding to 1151334531212 its reverse (2121354331511), we get a palindrome (3272688862723).

The spelling of 1151334531212 in words is "one trillion, one hundred fifty-one billion, three hundred thirty-four million, five hundred thirty-one thousand, two hundred twelve".