1227005712240 has 320 divisors, whose sum is σ = 4747568136192. Its totient is φ = 254678860800.

The previous prime is 1227005712211. The next prime is 1227005712259. The reversal of 1227005712240 is 422175007221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16798839 + ... + 16871721.

Almost surely, 2^{1227005712240} is an apocalyptic number.

1227005712240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227005712240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2373784068096).

1227005712240 is an abundant number, since it is smaller than the sum of its proper divisors (3520562423952).

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

1227005712240 is a wasteful number, since it uses less digits than its factorization.

1227005712240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73828 (or 73822 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 1227005712240 in words is "one trillion, two hundred twenty-seven billion, five million, seven hundred twelve thousand, two hundred forty".