1322001012112 has 40 divisors (see below), whose sum is σ = 2859211507680. Its totient is φ = 586934906880.

The previous prime is 1322001012097. The next prime is 1322001012121. The reversal of 1322001012112 is 2112101002231.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87333937 + ... + 87349072.

It is an arithmetic number, because the mean of its divisors is an integer number (71480287692).

Almost surely, 2^{1322001012112} is an apocalyptic number.

It is an amenable number.

1322001012112 is an abundant number, since it is smaller than the sum of its proper divisors (1537210495568).

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

1322001012112 is a wasteful number, since it uses less digits than its factorization.

1322001012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174683071 (or 174683065 counting only the distinct ones).

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

Adding to 1322001012112 its reverse (2112101002231), we get a palindrome (3434102014343).

The spelling of 1322001012112 in words is "one trillion, three hundred twenty-two billion, one million, twelve thousand, one hundred twelve".