1153212031000 has 32 divisors (see below), whose sum is σ = 2698516154880. Its totient is φ = 461284812000.

The previous prime is 1153212030979. The next prime is 1153212031009. The reversal of 1153212031000 is 1302123511.

It is a super-2 number, since 2×1153212031000² (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 (1153212031009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576605016 + ... + 576607015.

It is an arithmetic number, because the mean of its divisors is an integer number (84328629840).

Almost surely, 2^{1153212031000} is an apocalyptic number.

1153212031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153212031000 is an abundant number, since it is smaller than the sum of its proper divisors (1545304123880).

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

1153212031000 is a wasteful number, since it uses less digits than its factorization.

1153212031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153212052 (or 1153212038 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 1153212031000 its reverse (1302123511), we get a palindrome (1154514154511).

The spelling of 1153212031000 in words is "one trillion, one hundred fifty-three billion, two hundred twelve million, thirty-one thousand".