1302213130312 has 8 divisors (see below), whose sum is σ = 2441649619350. Its totient is φ = 651106565152.

The previous prime is 1302213130277. The next prime is 1302213130321. The reversal of 1302213130312 is 2130313122031.

It can be written as a sum of positive squares in only one way, i.e., 1297744742596 + 4468387716 = 1139186^2 + 66846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81388320637 + ... + 81388320652.

Almost surely, 2^{1302213130312} is an apocalyptic number.

It is an amenable number.

1302213130312 is a deficient number, since it is larger than the sum of its proper divisors (1139436489038).

1302213130312 is a wasteful number, since it uses less digits than its factorization.

1302213130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162776641295 (or 162776641291 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1302213130312 its reverse (2130313122031), we get a palindrome (3432526252343).

The spelling of 1302213130312 in words is "one trillion, three hundred two billion, two hundred thirteen million, one hundred thirty thousand, three hundred twelve".