1222023233412 has 24 divisors (see below), whose sum is σ = 3168208383200. Its totient is φ = 407341077768.

The previous prime is 1222023233381. The next prime is 1222023233419. The reversal of 1222023233412 is 2143323202221.

1222023233412 is a `hidden beast` number, since 1 + 2 + 220 + 2 + 3 + 23 + 3 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1222023233419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5657514862 + ... + 5657515077.

Almost surely, 2^{1222023233412} is an apocalyptic number.

1222023233412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222023233412 is an abundant number, since it is smaller than the sum of its proper divisors (1946185149788).

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

1222023233412 is a wasteful number, since it uses less digits than its factorization.

1222023233412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11315029952 (or 11315029944 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1222023233412 its reverse (2143323202221), we get a palindrome (3365346435633).

The spelling of 1222023233412 in words is "one trillion, two hundred twenty-two billion, twenty-three million, two hundred thirty-three thousand, four hundred twelve".