1351103503212 has 36 divisors (see below), whose sum is σ = 3415847021496. Its totient is φ = 450294303360.

The previous prime is 1351103503181. The next prime is 1351103503231. The reversal of 1351103503212 is 2123053011531.

1351103503212 is a `hidden beast` number, since 1 + 3 + 51 + 103 + 503 + 2 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2840013 + ... + 3281444.

It is an arithmetic number, because the mean of its divisors is an integer number (94884639486).

Almost surely, 2^{1351103503212} is an apocalyptic number.

1351103503212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1351103503212 is an abundant number, since it is smaller than the sum of its proper divisors (2064743518284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351103503212 is a wasteful number, since it uses less digits than its factorization.

1351103503212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127598 (or 6127593 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 1351103503212 its reverse (2123053011531), we get a palindrome (3474156514743).

The spelling of 1351103503212 in words is "one trillion, three hundred fifty-one billion, one hundred three million, five hundred three thousand, two hundred twelve".