1322400212136 has 96 divisors (see below), whose sum is σ = 3587372530560. Its totient is φ = 440077862016.

The previous prime is 1322400212083. The next prime is 1322400212143. The reversal of 1322400212136 is 6312120042231.

1322400212136 is a `hidden beast` number, since 1 + 3 + 22 + 400 + 21 + 213 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266234725 + ... + 266239691.

It is an arithmetic number, because the mean of its divisors is an integer number (37368463860).

Almost surely, 2^{1322400212136} is an apocalyptic number.

It is an amenable number.

1322400212136 is an abundant number, since it is smaller than the sum of its proper divisors (2264972318424).

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

1322400212136 is a wasteful number, since it uses less digits than its factorization.

1322400212136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295 (or 10288 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1322400212136 its reverse (6312120042231), we get a palindrome (7634520254367).

The spelling of 1322400212136 in words is "one trillion, three hundred twenty-two billion, four hundred million, two hundred twelve thousand, one hundred thirty-six".