1222012111300 has 18 divisors (see below), whose sum is σ = 2651766281738. Its totient is φ = 488804844480.

The previous prime is 1222012111261. The next prime is 1222012111301. The reversal of 1222012111300 is 31112102221.

It can be written as a sum of positive squares in 3 ways, for example, as 221215952896 + 1000796158404 = 470336^2 + 1000398^2 .

It is not an unprimeable number, because it can be changed into a prime (1222012111301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6110060457 + ... + 6110060656.

Almost surely, 2^{1222012111300} is an apocalyptic number.

1222012111300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222012111300 is an abundant number, since it is smaller than the sum of its proper divisors (1429754170438).

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

1222012111300 is a wasteful number, since it uses less digits than its factorization.

1222012111300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12220121127 (or 12220121120 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1222012111300 its reverse (31112102221), we get a palindrome (1253124213521).

The spelling of 1222012111300 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred eleven thousand, three hundred".