1226211075534 has 16 divisors (see below), whose sum is σ = 2452675172688. Its totient is φ = 408694854912.

The previous prime is 1226211075533. The next prime is 1226211075547. The reversal of 1226211075534 is 4355701126221.

It is a junction number, because it is equal to n+sod(n) for n = 1226211075492 and 1226211075501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226211075533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10479537 + ... + 10595900.

It is an arithmetic number, because the mean of its divisors is an integer number (153292198293).

Almost surely, 2^{1226211075534} is an apocalyptic number.

1226211075534 is an abundant number, since it is smaller than the sum of its proper divisors (1226464097154).

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

1226211075534 is a wasteful number, since it uses less digits than its factorization.

1226211075534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21085139.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 1226211075534 in words is "one trillion, two hundred twenty-six billion, two hundred eleven million, seventy-five thousand, five hundred thirty-four".