1228043400192 has 1584 divisors, whose sum is σ = 4665965207040. Its totient is φ = 321680056320.

The previous prime is 1228043400149. The next prime is 1228043400209. The reversal of 1228043400192 is 2910043408221.

1228043400192 is a `hidden beast` number, since 1 + 2 + 28 + 0 + 43 + 400 + 192 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 39614303217 + ... + 39614303247.

Almost surely, 2^{1228043400192} is an apocalyptic number.

1228043400192 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 1228043400192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2332982603520).

1228043400192 is an abundant number, since it is smaller than the sum of its proper divisors (3437921806848).

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

1228043400192 is an frugal number, since it uses more digits than its factorization.

1228043400192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 1228043400192 in words is "one trillion, two hundred twenty-eight billion, forty-three million, four hundred thousand, one hundred ninety-two".