1223102013100 has 54 divisors (see below), whose sum is σ = 2917351037132. Its totient is φ = 444764364000.

The previous prime is 1223102013047. The next prime is 1223102013101. The reversal of 1223102013100 is 13102013221.

It is a super-2 number, since 2×1223102013100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223102013101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50529306 + ... + 50553505.

Almost surely, 2^{1223102013100} is an apocalyptic number.

1223102013100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223102013100 is an abundant number, since it is smaller than the sum of its proper divisors (1694249024032).

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

1223102013100 is a wasteful number, since it uses less digits than its factorization.

1223102013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101082847 (or 101082829 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1223102013100 its reverse (13102013221), we get a palindrome (1236204026321).

The spelling of 1223102013100 in words is "one trillion, two hundred twenty-three billion, one hundred two million, thirteen thousand, one hundred".