70021032122 has 4 divisors (see below), whose sum is σ = 105031548186. Its totient is φ = 35010516060.

The previous prime is 70021032089. The next prime is 70021032127. The reversal of 70021032122 is 22123012007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61678219201 + 8342812921 = 248351^2 + 91339^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70021032094 and 70021032103.

It is not an unprimeable number, because it can be changed into a prime (70021032127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17505258029 + ... + 17505258032.

Almost surely, 2^70021032122 is an apocalyptic number.

70021032122 is a deficient number, since it is larger than the sum of its proper divisors (35010516064).

70021032122 is a wasteful number, since it uses less digits than its factorization.

70021032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35010516063.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 70021032122 its reverse (22123012007), we get a palindrome (92144044129).

The spelling of 70021032122 in words is "seventy billion, twenty-one million, thirty-two thousand, one hundred twenty-two".