1331212010346 has 24 divisors (see below), whose sum is σ = 2885519617344. Its totient is φ = 443548578600.

The previous prime is 1331212010281. The next prime is 1331212010347. The reversal of 1331212010346 is 6430102121331.

It is a happy number.

1331212010346 is a `hidden beast` number, since 1 + 3 + 312 + 1 + 2 + 0 + 1 + 0 + 346 = 666.

It is a super-2 number, since 2×1331212010346² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1331212010347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15686356 + ... + 15770991.

It is an arithmetic number, because the mean of its divisors is an integer number (120229984056).

Almost surely, 2^{1331212010346} is an apocalyptic number.

1331212010346 is an abundant number, since it is smaller than the sum of its proper divisors (1554307606998).

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

1331212010346 is a wasteful number, since it uses less digits than its factorization.

1331212010346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31459706 (or 31459703 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 1331212010346 its reverse (6430102121331), we get a palindrome (7761314131677).

The spelling of 1331212010346 in words is "one trillion, three hundred thirty-one billion, two hundred twelve million, ten thousand, three hundred forty-six".