1303403553212 has 6 divisors (see below), whose sum is σ = 2280956218128. Its totient is φ = 651701776604.

The previous prime is 1303403553211. The next prime is 1303403553229. The reversal of 1303403553212 is 2123553043031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303403553211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162925444148 + ... + 162925444155.

It is an arithmetic number, because the mean of its divisors is an integer number (380159369688).

Almost surely, 2^{1303403553212} is an apocalyptic number.

It is an amenable number.

1303403553212 is a deficient number, since it is larger than the sum of its proper divisors (977552664916).

1303403553212 is a wasteful number, since it uses less digits than its factorization.

1303403553212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325850888307 (or 325850888305 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 1303403553212 its reverse (2123553043031), we get a palindrome (3426956596243).

The spelling of 1303403553212 in words is "one trillion, three hundred three billion, four hundred three million, five hundred fifty-three thousand, two hundred twelve".