1228801442870 has 64 divisors (see below), whose sum is σ = 2321837706240. Its totient is φ = 467335440000.

The previous prime is 1228801442867. The next prime is 1228801442873. The reversal of 1228801442870 is 782441088221.

It is an interprime number because it is at equal distance from previous prime (1228801442867) and next prime (1228801442873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228801442873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144543620 + ... + 144552120.

It is an arithmetic number, because the mean of its divisors is an integer number (36278714160).

Almost surely, 2^{1228801442870} is an apocalyptic number.

1228801442870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228801442870 is a deficient number, since it is larger than the sum of its proper divisors (1093036263370).

1228801442870 is a wasteful number, since it uses less digits than its factorization.

1228801442870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12221.

The product of its (nonzero) digits is 458752, while the sum is 47.

The spelling of 1228801442870 in words is "one trillion, two hundred twenty-eight billion, eight hundred one million, four hundred forty-two thousand, eight hundred seventy".