1213650716226 has 32 divisors (see below), whose sum is σ = 2647105762560. Its totient is φ = 368704013184.

The previous prime is 1213650716203. The next prime is 1213650716227. The reversal of 1213650716226 is 6226170563121.

It is not an unprimeable number, because it can be changed into a prime (1213650716227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98472475 + ... + 98484798.

It is an arithmetic number, because the mean of its divisors is an integer number (82722055080).

Almost surely, 2^{1213650716226} is an apocalyptic number.

1213650716226 is an abundant number, since it is smaller than the sum of its proper divisors (1433455046334).

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

1213650716226 is a wasteful number, since it uses less digits than its factorization.

1213650716226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196957370.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 1213650716226 in words is "one trillion, two hundred thirteen billion, six hundred fifty million, seven hundred sixteen thousand, two hundred twenty-six".