11220400312000 has 112 divisors (see below), whose sum is σ = 30313441735200. Its totient is φ = 4080145536000.

The previous prime is 11220400311949. The next prime is 11220400312007. The reversal of 11220400312000 is 21300402211.

11220400312000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (11220400312007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63664275 + ... + 63840274.

Almost surely, 2^{11220400312000} is an apocalyptic number.

11220400312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220400312000 is an abundant number, since it is smaller than the sum of its proper divisors (19093041423200).

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

11220400312000 is a wasteful number, since it uses less digits than its factorization.

11220400312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127504587 (or 127504567 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11220400312000 its reverse (21300402211), we get a palindrome (11241700714211).

The spelling of 11220400312000 in words is "eleven trillion, two hundred twenty billion, four hundred million, three hundred twelve thousand".