1201112229432 has 128 divisors (see below), whose sum is σ = 3207123532800. Its totient is φ = 373752133632.

The previous prime is 1201112229341. The next prime is 1201112229587. The reversal of 1201112229432 is 2349222111021.

It is a happy number.

It is a super-2 number, since 2×1201112229432² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201112229432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36700308 + ... + 36733020.

It is an arithmetic number, because the mean of its divisors is an integer number (25055652600).

Almost surely, 2^{1201112229432} is an apocalyptic number.

1201112229432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201112229432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603561766400).

1201112229432 is an abundant number, since it is smaller than the sum of its proper divisors (2006011303368).

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

1201112229432 is a wasteful number, since it uses less digits than its factorization.

1201112229432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33917 (or 33913 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 1201112229432 in words is "one trillion, two hundred one billion, one hundred twelve million, two hundred twenty-nine thousand, four hundred thirty-two".