1226127371260 has 72 divisors (see below), whose sum is σ = 2979185625360. Its totient is φ = 422397930240.

The previous prime is 1226127371239. The next prime is 1226127371267. The reversal of 1226127371260 is 621737216221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226127371267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13287289 + ... + 13379248.

It is an arithmetic number, because the mean of its divisors is an integer number (41377578130).

Almost surely, 2^{1226127371260} is an apocalyptic number.

1226127371260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226127371260 is an abundant number, since it is smaller than the sum of its proper divisors (1753058254100).

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

1226127371260 is a wasteful number, since it uses less digits than its factorization.

1226127371260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26666587 (or 26666574 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 1226127371260 in words is "one trillion, two hundred twenty-six billion, one hundred twenty-seven million, three hundred seventy-one thousand, two hundred sixty".