1229987027430 has 384 divisors, whose sum is σ = 3879035596800. Its totient is φ = 280304115840.

The previous prime is 1229987027429. The next prime is 1229987027461. The reversal of 1229987027430 is 347207899221.

It is a happy number.

1229987027430 is a `hidden beast` number, since 1 + 2 + 299 + 87 + 0 + 274 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 305888820 + ... + 305892840.

It is an arithmetic number, because the mean of its divisors is an integer number (10101655200).

Almost surely, 2^{1229987027430} is an apocalyptic number.

1229987027430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229987027430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1939517798400).

1229987027430 is an abundant number, since it is smaller than the sum of its proper divisors (2649048569370).

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

1229987027430 is an equidigital number, since it uses as much as digits as its factorization.

1229987027430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431 (or 4405 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 1229987027430 in words is "one trillion, two hundred twenty-nine billion, nine hundred eighty-seven million, twenty-seven thousand, four hundred thirty".