1303122121112 has 16 divisors (see below), whose sum is σ = 2792404545360. Its totient is φ = 558480909024.

The previous prime is 1303122121109. The next prime is 1303122121127. The reversal of 1303122121112 is 2111212213031.

It is a super-2 number, since 2×1303122121112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11635018883 + ... + 11635018994.

It is an arithmetic number, because the mean of its divisors is an integer number (174525284085).

Almost surely, 2^{1303122121112} is an apocalyptic number.

It is an amenable number.

1303122121112 is an abundant number, since it is smaller than the sum of its proper divisors (1489282424248).

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

1303122121112 is a wasteful number, since it uses less digits than its factorization.

1303122121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23270037890 (or 23270037886 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1303122121112 its reverse (2111212213031), we get a palindrome (3414334334143).

The spelling of 1303122121112 in words is "one trillion, three hundred three billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".