1301211313412 has 6 divisors (see below), whose sum is σ = 2277119798478. Its totient is φ = 650605656704.

The previous prime is 1301211313379. The next prime is 1301211313477. The reversal of 1301211313412 is 2143131121031.

It can be written as a sum of positive squares in only one way, i.e., 1231691553856 + 69519759556 = 1109816^2 + 263666^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162651414173 + ... + 162651414180.

It is an arithmetic number, because the mean of its divisors is an integer number (379519966413).

Almost surely, 2^{1301211313412} is an apocalyptic number.

It is an amenable number.

1301211313412 is a deficient number, since it is larger than the sum of its proper divisors (975908485066).

1301211313412 is a wasteful number, since it uses less digits than its factorization.

1301211313412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325302828357 (or 325302828355 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1301211313412 its reverse (2143131121031), we get a palindrome (3444342434443).

The spelling of 1301211313412 in words is "one trillion, three hundred one billion, two hundred eleven million, three hundred thirteen thousand, four hundred twelve".