70212232690 has 16 divisors (see below), whose sum is σ = 127088066880. Its totient is φ = 27927993520.

The previous prime is 70212232679. The next prime is 70212232691. The reversal of 70212232690 is 9623221207.

It is a happy number.

It is a super-2 number, since 2×70212232690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70212232691) 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 7 ways as a sum of consecutive naturals, for example, 19610566 + ... + 19614145.

It is an arithmetic number, because the mean of its divisors is an integer number (7943004180).

Almost surely, 2^70212232690 is an apocalyptic number.

70212232690 is a deficient number, since it is larger than the sum of its proper divisors (56875834190).

70212232690 is a wasteful number, since it uses less digits than its factorization.

70212232690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39224897.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 70212232690 its reverse (9623221207), we get a palindrome (79835453897).

The spelling of 70212232690 in words is "seventy billion, two hundred twelve million, two hundred thirty-two thousand, six hundred ninety".