1201111003032 has 512 divisors, whose sum is σ = 3320907448320. Its totient is φ = 361358807040.

The previous prime is 1201111003019. The next prime is 1201111003033. The reversal of 1201111003032 is 2303001111021.

It is a happy number.

It is a super-2 number, since 2×1201111003032² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201111003033) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14471216863 + ... + 14471216945.

It is an arithmetic number, because the mean of its divisors is an integer number (6486147360).

Almost surely, 2^{1201111003032} is an apocalyptic number.

1201111003032 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 1201111003032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660453724160).

1201111003032 is an abundant number, since it is smaller than the sum of its proper divisors (2119796445288).

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

1201111003032 is a wasteful number, since it uses less digits than its factorization.

1201111003032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1201111003032 its reverse (2303001111021), we get a palindrome (3504112114053).

The spelling of 1201111003032 in words is "one trillion, two hundred one billion, one hundred eleven million, three thousand, thirty-two".