70506122121 has 24 divisors (see below), whose sum is σ = 103861985760. Its totient is φ = 46076380416.

The previous prime is 70506122107. The next prime is 70506122129. The reversal of 70506122121 is 12122160507.

70506122121 is a `hidden beast` number, since 7 + 0 + 5 + 0 + 612 + 21 + 21 = 666.

It is not a de Polignac number, because 70506122121 - 2¹⁴ = 70506105737 is a prime.

It is a super-2 number, since 2×70506122121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70506122129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 631 + ... + 375516.

It is an arithmetic number, because the mean of its divisors is an integer number (4327582740).

Almost surely, 2^70506122121 is an apocalyptic number.

It is an amenable number.

70506122121 is a deficient number, since it is larger than the sum of its proper divisors (33355863639).

70506122121 is a wasteful number, since it uses less digits than its factorization.

70506122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376565 (or 376562 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 70506122121 its reverse (12122160507), we get a palindrome (82628282628).

The spelling of 70506122121 in words is "seventy billion, five hundred six million, one hundred twenty-two thousand, one hundred twenty-one".