1303222111212 has 24 divisors (see below), whose sum is σ = 3475258963456. Its totient is φ = 372349174608.

The previous prime is 1303222111199. The next prime is 1303222111249. The reversal of 1303222111212 is 2121112223031.

It is a super-2 number, since 2×1303222111212² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7757274388 + ... + 7757274555.

Almost surely, 2^{1303222111212} is an apocalyptic number.

1303222111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303222111212 is an abundant number, since it is smaller than the sum of its proper divisors (2172036852244).

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

1303222111212 is a wasteful number, since it uses less digits than its factorization.

1303222111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15514548957 (or 15514548955 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1303222111212 its reverse (2121112223031), we get a palindrome (3424334334243).

The spelling of 1303222111212 in words is "one trillion, three hundred three billion, two hundred twenty-two million, one hundred eleven thousand, two hundred twelve".