1212323102331 has 8 divisors (see below), whose sum is σ = 1763379057984. Its totient is φ = 734741274120.

The previous prime is 1212323102329. The next prime is 1212323102363. The reversal of 1212323102331 is 1332013232121.

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

It is not a de Polignac number, because 1212323102331 - 2¹ = 1212323102329 is a prime.

It is a super-2 number, since 2×1212323102331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212323101331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18368531821 + ... + 18368531886.

It is an arithmetic number, because the mean of its divisors is an integer number (220422382248).

Almost surely, 2^{1212323102331} is an apocalyptic number.

1212323102331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1212323102331 is a deficient number, since it is larger than the sum of its proper divisors (551055955653).

1212323102331 is a wasteful number, since it uses less digits than its factorization.

1212323102331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36737063721.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1212323102331 its reverse (1332013232121), we get a palindrome (2544336334452).

The spelling of 1212323102331 in words is "one trillion, two hundred twelve billion, three hundred twenty-three million, one hundred two thousand, three hundred thirty-one".