70101812 has 24 divisors (see below), whose sum is σ = 141704640. Its totient is φ = 29989760.

The previous prime is 70101809. The next prime is 70101817. The reversal of 70101812 is 21810107.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70101817) 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 7 ways as a sum of consecutive naturals, for example, 46112 + ... + 47607.

It is an arithmetic number, because the mean of its divisors is an integer number (5904360).

Almost surely, 2^70101812 is an apocalyptic number.

It is an amenable number.

70101812 is an abundant number, since it is smaller than the sum of its proper divisors (71602828).

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

70101812 is a wasteful number, since it uses less digits than its factorization.

70101812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93751 (or 93749 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 70101812 is about 8372.6824853209. The cubic root of 70101812 is about 412.3282409498.

Adding to 70101812 its reverse (21810107), we get a palindrome (91911919).

The spelling of 70101812 in words is "seventy million, one hundred one thousand, eight hundred twelve".