825210019122 has 32 divisors (see below), whose sum is σ = 1665027336192. Its totient is φ = 272639654784.

The previous prime is 825210019079. The next prime is 825210019141. The reversal of 825210019122 is 221910012528.

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, 262968 + ... + 1311324.

It is an arithmetic number, because the mean of its divisors is an integer number (52032104256).

Almost surely, 2^825210019122 is an apocalyptic number.

825210019122 is an abundant number, since it is smaller than the sum of its proper divisors (839817317070).

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

825210019122 is a wasteful number, since it uses less digits than its factorization.

825210019122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049522.

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 825210019122 in words is "eight hundred twenty-five billion, two hundred ten million, nineteen thousand, one hundred twenty-two".