1201132013312 has 144 divisors (see below), whose sum is σ = 2991087171072. Its totient is φ = 467675074560.

The previous prime is 1201132013293. The next prime is 1201132013327. The reversal of 1201132013312 is 2133102311021.

It is a happy number.

It is a super-2 number, since 2×1201132013312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32249933 + ... + 32287155.

It is an arithmetic number, because the mean of its divisors is an integer number (20771438688).

Almost surely, 2^{1201132013312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201132013312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495543585536).

1201132013312 is an abundant number, since it is smaller than the sum of its proper divisors (1789955157760).

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

1201132013312 is a wasteful number, since it uses less digits than its factorization.

1201132013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38894 (or 38880 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1201132013312 its reverse (2133102311021), we get a palindrome (3334234324333).

The spelling of 1201132013312 in words is "one trillion, two hundred one billion, one hundred thirty-two million, thirteen thousand, three hundred twelve".