1274257221930 has 384 divisors, whose sum is σ = 4324375351296. Its totient is φ = 252433843200.

The previous prime is 1274257221901. The next prime is 1274257221931. The reversal of 1274257221930 is 391227524721.

1274257221930 is a `hidden beast` number, since 1 + 2 + 7 + 42 + 572 + 2 + 1 + 9 + 30 = 666.

It is a super-2 number, since 2×1274257221930² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1274257221931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 48919710 + ... + 48945750.

It is an arithmetic number, because the mean of its divisors is an integer number (11261394144).

Almost surely, 2^{1274257221930} is an apocalyptic number.

1274257221930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274257221930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162187675648).

1274257221930 is an abundant number, since it is smaller than the sum of its proper divisors (3050118129366).

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

1274257221930 is a wasteful number, since it uses less digits than its factorization.

1274257221930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26402 (or 26399 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 1274257221930 in words is "one trillion, two hundred seventy-four billion, two hundred fifty-seven million, two hundred twenty-one thousand, nine hundred thirty".