1252340450130 has 384 divisors, whose sum is σ = 4056411985920. Its totient is φ = 243983093760.

The previous prime is 1252340450129. The next prime is 1252340450159. The reversal of 1252340450130 is 310540432521.

It is a super-2 number, since 2×1252340450130² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 29780299 + ... + 29822321.

It is an arithmetic number, because the mean of its divisors is an integer number (10563572880).

Almost surely, 2^{1252340450130} is an apocalyptic number.

1252340450130 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 1252340450130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2028205992960).

1252340450130 is an abundant number, since it is smaller than the sum of its proper divisors (2804071535790).

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

1252340450130 is a wasteful number, since it uses less digits than its factorization.

1252340450130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42174 (or 42167 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1252340450130 its reverse (310540432521), we get a palindrome (1562880882651).

The spelling of 1252340450130 in words is "one trillion, two hundred fifty-two billion, three hundred forty million, four hundred fifty thousand, one hundred thirty".