11312000122 has 8 divisors (see below), whose sum is σ = 17381853972. Its totient is φ = 5518048800.

The previous prime is 11312000111. The next prime is 11312000123. The reversal of 11312000122 is 22100021311.

It can be written as a sum of positive squares in 2 ways, for example, as 8948970801 + 2363029321 = 94599^2 + 48611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11312000122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11312000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68975529 + ... + 68975692.

Almost surely, 2^11312000122 is an apocalyptic number.

11312000122 is a deficient number, since it is larger than the sum of its proper divisors (6069853850).

11312000122 is a wasteful number, since it uses less digits than its factorization.

11312000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137951264.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11312000122 its reverse (22100021311), we get a palindrome (33412021433).

The spelling of 11312000122 in words is "eleven billion, three hundred twelve million, one hundred twenty-two", and thus it is an aban number.