1303212129999 has 16 divisors (see below), whose sum is σ = 1871299443552. Its totient is φ = 801967915008.

The previous prime is 1303212129997. The next prime is 1303212130013. The reversal of 1303212129999 is 9999212123031.

It is not a de Polignac number, because 1303212129999 - 2¹ = 1303212129997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303212129997) 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, 6775119 + ... + 6964815.

It is an arithmetic number, because the mean of its divisors is an integer number (116956215222).

Almost surely, 2^{1303212129999} is an apocalyptic number.

1303212129999 is a deficient number, since it is larger than the sum of its proper divisors (568087313553).

1303212129999 is a wasteful number, since it uses less digits than its factorization.

1303212129999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365866.

The product of its (nonzero) digits is 472392, while the sum is 51.

The spelling of 1303212129999 in words is "one trillion, three hundred three billion, two hundred twelve million, one hundred twenty-nine thousand, nine hundred ninety-nine".