1228701896112 has 80 divisors (see below), whose sum is σ = 3346420993920. Its totient is φ = 387405619200.

The previous prime is 1228701896083. The next prime is 1228701896167. The reversal of 1228701896112 is 2116981078221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466314 + ... + 1635497.

It is an arithmetic number, because the mean of its divisors is an integer number (41830262424).

Almost surely, 2^{1228701896112} is an apocalyptic number.

1228701896112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1228701896112 is an abundant number, since it is smaller than the sum of its proper divisors (2117719097808).

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

1228701896112 is a wasteful number, since it uses less digits than its factorization.

1228701896112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102482 (or 2102476 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 48.

The spelling of 1228701896112 in words is "one trillion, two hundred twenty-eight billion, seven hundred one million, eight hundred ninety-six thousand, one hundred twelve".