120003133212 has 144 divisors (see below), whose sum is σ = 325610917632. Its totient is φ = 37132792320.

The previous prime is 120003133207. The next prime is 120003133253. The reversal of 120003133212 is 212331300021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13384243 + ... + 13393205.

It is an arithmetic number, because the mean of its divisors is an integer number (2261186928).

Almost surely, 2^120003133212 is an apocalyptic number.

120003133212 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 120003133212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162805458816).

120003133212 is an abundant number, since it is smaller than the sum of its proper divisors (205607784420).

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

120003133212 is a wasteful number, since it uses less digits than its factorization.

120003133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9288 (or 9283 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 120003133212 its reverse (212331300021), we get a palindrome (332334433233).

The spelling of 120003133212 in words is "one hundred twenty billion, three million, one hundred thirty-three thousand, two hundred twelve".