1226204100125 has 16 divisors (see below), whose sum is σ = 1548740112192. Its totient is φ = 969144437200.

The previous prime is 1226204099999. The next prime is 1226204100139. The reversal of 1226204100125 is 5210014026221.

It is not a de Polignac number, because 1226204100125 - 2³⁴ = 1209024230941 is a prime.

It is a super-2 number, since 2×1226204100125² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1226204100094 and 1226204100103.

It is a congruent number.

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, 59083799 + ... + 59104548.

It is an arithmetic number, because the mean of its divisors is an integer number (96796257012).

Almost surely, 2^{1226204100125} is an apocalyptic number.

It is an amenable number.

1226204100125 is a deficient number, since it is larger than the sum of its proper divisors (322536012067).

1226204100125 is an equidigital number, since it uses as much as digits as its factorization.

1226204100125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118188445 (or 118188435 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1226204100125 its reverse (5210014026221), we get a palindrome (6436218126346).

The spelling of 1226204100125 in words is "one trillion, two hundred twenty-six billion, two hundred four million, one hundred thousand, one hundred twenty-five".