1326767212730 has 32 divisors (see below), whose sum is σ = 2391805695888. Its totient is φ = 529901913600.

The previous prime is 1326767212711. The next prime is 1326767212733. The reversal of 1326767212730 is 372127676231.

It can be written as a sum of positive squares in 8 ways, for example, as 924345722041 + 402421490689 = 961429^2 + 634367^2 .

It is a super-2 number, since 2×1326767212730² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1326767212733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21433304 + ... + 21495116.

Almost surely, 2^{1326767212730} is an apocalyptic number.

1326767212730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1326767212730 is a deficient number, since it is larger than the sum of its proper divisors (1065038483158).

1326767212730 is a wasteful number, since it uses less digits than its factorization.

1326767212730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65042.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 1326767212730 in words is "one trillion, three hundred twenty-six billion, seven hundred sixty-seven million, two hundred twelve thousand, seven hundred thirty".