1225112100522 has 16 divisors (see below), whose sum is σ = 2579183369760. Its totient is φ = 386877505392.

The previous prime is 1225112100517. The next prime is 1225112100539. The reversal of 1225112100522 is 2250012115221.

It is a junction number, because it is equal to n+sod(n) for n = 1225112100492 and 1225112100501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5373298573 + ... + 5373298800.

It is an arithmetic number, because the mean of its divisors is an integer number (161198960610).

Almost surely, 2^{1225112100522} is an apocalyptic number.

1225112100522 is an abundant number, since it is smaller than the sum of its proper divisors (1354071269238).

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

1225112100522 is a wasteful number, since it uses less digits than its factorization.

1225112100522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746597397.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 1225112100522 its reverse (2250012115221), we get a palindrome (3475124215743).

The spelling of 1225112100522 in words is "one trillion, two hundred twenty-five billion, one hundred twelve million, one hundred thousand, five hundred twenty-two".