1222143002252 has 12 divisors (see below), whose sum is σ = 2251316056920. Its totient is φ = 578909843136.

The previous prime is 1222143002251. The next prime is 1222143002257. The reversal of 1222143002252 is 2522003412221.

It is not an unprimeable number, because it can be changed into a prime (1222143002251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8040414413 + ... + 8040414564.

It is an arithmetic number, because the mean of its divisors is an integer number (187609671410).

Almost surely, 2^{1222143002252} is an apocalyptic number.

It is an amenable number.

1222143002252 is a deficient number, since it is larger than the sum of its proper divisors (1029173054668).

1222143002252 is a wasteful number, since it uses less digits than its factorization.

1222143002252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16080829000 (or 16080828998 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1222143002252 its reverse (2522003412221), we get a palindrome (3744146414473).

The spelling of 1222143002252 in words is "one trillion, two hundred twenty-two billion, one hundred forty-three million, two thousand, two hundred fifty-two".