1212012032000 has 832 divisors, whose sum is σ = 3833142663168. Its totient is φ = 371589120000.

The previous prime is 1212012031957. The next prime is 1212012032009. The reversal of 1212012032000 is 2302102121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212012032009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2799103784 + ... + 2799104216.

It is an arithmetic number, because the mean of its divisors is an integer number (4607142624).

Almost surely, 2^{1212012032000} is an apocalyptic number.

1212012032000 is a gapful number since it is divisible by the number (10) 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 1212012032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916571331584).

1212012032000 is an abundant number, since it is smaller than the sum of its proper divisors (2621130631168).

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

1212012032000 is an equidigital number, since it uses as much as digits as its factorization.

1212012032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1212012032000 its reverse (2302102121), we get a palindrome (1214314134121).

The spelling of 1212012032000 in words is "one trillion, two hundred twelve billion, twelve million, thirty-two thousand".