1249668182152 has 128 divisors (see below), whose sum is σ = 2673355829760. Its totient is φ = 543272970240.

The previous prime is 1249668182143. The next prime is 1249668182159. The reversal of 1249668182152 is 2512818669421.

It is a super-2 number, since 2×1249668182152² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1249668182093 and 1249668182102.

It is not an unprimeable number, because it can be changed into a prime (1249668182159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159128658 + ... + 159136510.

It is an arithmetic number, because the mean of its divisors is an integer number (20885592420).

Almost surely, 2^{1249668182152} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1249668182152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336677914880).

1249668182152 is an abundant number, since it is smaller than the sum of its proper divisors (1423687647608).

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

1249668182152 is a wasteful number, since it uses less digits than its factorization.

1249668182152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903 (or 8899 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 55.

The spelling of 1249668182152 in words is "one trillion, two hundred forty-nine billion, six hundred sixty-eight million, one hundred eighty-two thousand, one hundred fifty-two".