1212089460000 has 480 divisors, whose sum is σ = 4345684535808. Its totient is φ = 294389760000.

The previous prime is 1212089459989. The next prime is 1212089460007. The reversal of 1212089460000 is 649802121.

It is a tau number, because it is divible by the number of its divisors (480).

It is not an unprimeable number, because it can be changed into a prime (1212089460007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 31600834 + ... + 31639166.

Almost surely, 2^{1212089460000} is an apocalyptic number.

1212089460000 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 1212089460000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172842267904).

1212089460000 is an abundant number, since it is smaller than the sum of its proper divisors (3133595075808).

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

1212089460000 is a wasteful number, since it uses less digits than its factorization.

1212089460000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38414 (or 38391 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 1212089460000 in words is "one trillion, two hundred twelve billion, eighty-nine million, four hundred sixty thousand".