1226712101472 has 1152 divisors, whose sum is σ = 4437052784640. Its totient is φ = 326446848000.

The previous prime is 1226712101449. The next prime is 1226712101479. The reversal of 1226712101472 is 2741012176221.

1226712101472 is a `hidden beast` number, since 1 + 2 + 2 + 67 + 121 + 0 + 1 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226712101479) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3535193203 + ... + 3535193549.

It is an arithmetic number, because the mean of its divisors is an integer number (3851608320).

Almost surely, 2^{1226712101472} is an apocalyptic number.

1226712101472 is a gapful number since it is divisible by the number (12) 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 1226712101472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2218526392320).

1226712101472 is an abundant number, since it is smaller than the sum of its proper divisors (3210340683168).

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

1226712101472 is a wasteful number, since it uses less digits than its factorization.

1226712101472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

Adding to 1226712101472 its reverse (2741012176221), we get a palindrome (3967724277693).

The spelling of 1226712101472 in words is "one trillion, two hundred twenty-six billion, seven hundred twelve million, one hundred one thousand, four hundred seventy-two".