1226423340892 has 96 divisors (see below), whose sum is σ = 2309732941824. Its totient is φ = 568885900800.

The previous prime is 1226423340889. The next prime is 1226423340907. The reversal of 1226423340892 is 2980433246221.

It is a super-2 number, since 2×1226423340892² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63296118 + ... + 63315490.

It is an arithmetic number, because the mean of its divisors is an integer number (24059718144).

Almost surely, 2^{1226423340892} is an apocalyptic number.

It is an amenable number.

1226423340892 is a deficient number, since it is larger than the sum of its proper divisors (1083309600932).

1226423340892 is a wasteful number, since it uses less digits than its factorization.

1226423340892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19699 (or 19697 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 1226423340892 in words is "one trillion, two hundred twenty-six billion, four hundred twenty-three million, three hundred forty thousand, eight hundred ninety-two".