1226520710090 has 32 divisors (see below), whose sum is σ = 2378211808896. Its totient is φ = 452745645120.

The previous prime is 1226520710089. The next prime is 1226520710113. The reversal of 1226520710090 is 900170256221.

It is a self number, because there is not a number n which added to its sum of digits gives 1226520710090.

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, 807812 + ... + 1762271.

It is an arithmetic number, because the mean of its divisors is an integer number (74319119028).

Almost surely, 2^{1226520710090} is an apocalyptic number.

1226520710090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226520710090 is a deficient number, since it is larger than the sum of its proper divisors (1151691098806).

1226520710090 is a wasteful number, since it uses less digits than its factorization.

1226520710090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573774.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 1226520710090 in words is "one trillion, two hundred twenty-six billion, five hundred twenty million, seven hundred ten thousand, ninety".