1828281919122 has 12 divisors (see below), whose sum is σ = 3961277491470. Its totient is φ = 609427306368.

The previous prime is 1828281919111. The next prime is 1828281919127. The reversal of 1828281919122 is 2219191828281.

It can be written as a sum of positive squares in only one way, i.e., 1670196954321 + 158084964801 = 1292361^2 + 397599^2 .

It is a super-3 number, since 3×1828281919122³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1828281919127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50785608847 + ... + 50785608882.

Almost surely, 2^{1828281919122} is an apocalyptic number.

1828281919122 is an abundant number, since it is smaller than the sum of its proper divisors (2132995572348).

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

1828281919122 is a wasteful number, since it uses less digits than its factorization.

1828281919122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101571217737 (or 101571217734 counting only the distinct ones).

The product of its digits is 663552, while the sum is 54.

The spelling of 1828281919122 in words is "one trillion, eight hundred twenty-eight billion, two hundred eighty-one million, nine hundred nineteen thousand, one hundred twenty-two".