1227474641952 has 384 divisors, whose sum is σ = 3993212805120. Its totient is φ = 364278850560.

The previous prime is 1227474641929. The next prime is 1227474641993. The reversal of 1227474641952 is 2591464747221.

It is a happy number.

1227474641952 is a `hidden beast` number, since 1 + 2 + 27 + 474 + 64 + 1 + 95 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 106889203 + ... + 106900685.

It is an arithmetic number, because the mean of its divisors is an integer number (10398991680).

Almost surely, 2^{1227474641952} is an apocalyptic number.

1227474641952 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 1227474641952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996606402560).

1227474641952 is an abundant number, since it is smaller than the sum of its proper divisors (2765738163168).

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

1227474641952 is a wasteful number, since it uses less digits than its factorization.

1227474641952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11853 (or 11839 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 1227474641952 in words is "one trillion, two hundred twenty-seven billion, four hundred seventy-four million, six hundred forty-one thousand, nine hundred fifty-two".