1228000317135 has 32 divisors (see below), whose sum is σ = 1980535065600. Its totient is φ = 649708190208.

The previous prime is 1228000317113. The next prime is 1228000317139. The reversal of 1228000317135 is 5317130008221.

It is a happy number.

It is not a de Polignac number, because 1228000317135 - 2⁹ = 1228000316623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1228000317096 and 1228000317105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228000317139) 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, 395574 + ... + 1616316.

It is an arithmetic number, because the mean of its divisors is an integer number (61891720800).

Almost surely, 2^{1228000317135} is an apocalyptic number.

1228000317135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1228000317135 is a deficient number, since it is larger than the sum of its proper divisors (752534748465).

1228000317135 is a wasteful number, since it uses less digits than its factorization.

1228000317135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221287.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 1228000317135 in words is "one trillion, two hundred twenty-eight billion, three hundred seventeen thousand, one hundred thirty-five".