70247121252 has 384 divisors, whose sum is σ = 219450470400. Its totient is φ = 16941312000.

The previous prime is 70247121229. The next prime is 70247121257. The reversal of 70247121252 is 25212174207.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (70247121257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 306755874 + ... + 306756102.

It is an arithmetic number, because the mean of its divisors is an integer number (571485600).

Almost surely, 2^70247121252 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 70247121252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109725235200).

70247121252 is an abundant number, since it is smaller than the sum of its proper divisors (149203349148).

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

70247121252 is a wasteful number, since it uses less digits than its factorization.

70247121252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 70247121252 its reverse (25212174207), we get a palindrome (95459295459).

The spelling of 70247121252 in words is "seventy billion, two hundred forty-seven million, one hundred twenty-one thousand, two hundred fifty-two".