1312101222003 has 48 divisors (see below), whose sum is σ = 2226741360480. Its totient is φ = 733994726400.

The previous prime is 1312101221999. The next prime is 1312101222011. The reversal of 1312101222003 is 3002221012131.

1312101222003 is a `hidden beast` number, since 131 + 210 + 122 + 200 + 3 = 666.

It is not a de Polignac number, because 1312101222003 - 2² = 1312101221999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312101222013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30749563 + ... + 30792203.

It is an arithmetic number, because the mean of its divisors is an integer number (46390445010).

Almost surely, 2^{1312101222003} is an apocalyptic number.

1312101222003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1312101222003 is a deficient number, since it is larger than the sum of its proper divisors (914640138477).

1312101222003 is a wasteful number, since it uses less digits than its factorization.

1312101222003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66580 (or 66577 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1312101222003 its reverse (3002221012131), we get a palindrome (4314322234134).

The spelling of 1312101222003 in words is "one trillion, three hundred twelve billion, one hundred one million, two hundred twenty-two thousand, three".