133121003232 has 72 divisors (see below), whose sum is σ = 406494506376. Its totient is φ = 38034571008.

The previous prime is 133121003189. The next prime is 133121003291. The reversal of 133121003232 is 232300121331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 133121003199 and 133121003208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14145063 + ... + 14154470.

It is an arithmetic number, because the mean of its divisors is an integer number (5645757033).

Almost surely, 2^133121003232 is an apocalyptic number.

133121003232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133121003232 is an abundant number, since it is smaller than the sum of its proper divisors (273373503144).

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

133121003232 is a wasteful number, since it uses less digits than its factorization.

133121003232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28299560 (or 28299545 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133121003232 its reverse (232300121331), we get a palindrome (365421124563).

The spelling of 133121003232 in words is "one hundred thirty-three billion, one hundred twenty-one million, three thousand, two hundred thirty-two".