1226804705868 has 288 divisors, whose sum is σ = 3431705410560. Its totient is φ = 339995335680.

The previous prime is 1226804705857. The next prime is 1226804705873. The reversal of 1226804705868 is 8685074086221.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1122419130 + ... + 1122420222.

Almost surely, 2^{1226804705868} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226804705868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715852705280).

1226804705868 is an abundant number, since it is smaller than the sum of its proper divisors (2204900704692).

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

1226804705868 is a wasteful number, since it uses less digits than its factorization.

1226804705868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 1226804705868 in words is "one trillion, two hundred twenty-six billion, eight hundred four million, seven hundred five thousand, eight hundred sixty-eight".