1214889699888 has 480 divisors, whose sum is σ = 3770097240000. Its totient is φ = 363692851200.

The previous prime is 1214889699839. The next prime is 1214889699901. The reversal of 1214889699888 is 8889969884121.

1214889699888 is a `hidden beast` number, since 121 + 488 + 9 + 6 + 9 + 9 + 8 + 8 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2021446788 + ... + 2021447388.

It is an arithmetic number, because the mean of its divisors is an integer number (7854369250).

Almost surely, 2^{1214889699888} is an apocalyptic number.

1214889699888 is a gapful number since it is divisible by the number (18) 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 1214889699888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1885048620000).

1214889699888 is an abundant number, since it is smaller than the sum of its proper divisors (2555207540112).

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

1214889699888 is a wasteful number, since it uses less digits than its factorization.

1214889699888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1076 counting only the distinct ones).

The product of its digits is 1146617856, while the sum is 81.

The spelling of 1214889699888 in words is "one trillion, two hundred fourteen billion, eight hundred eighty-nine million, six hundred ninety-nine thousand, eight hundred eighty-eight".