70401212 has 48 divisors (see below), whose sum is σ = 146650560. Its totient is φ = 28933632.

The previous prime is 70401203. The next prime is 70401239. The reversal of 70401212 is 21210407.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 224768 + ... + 225080.

It is an arithmetic number, because the mean of its divisors is an integer number (3055220).

Almost surely, 2^70401212 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 70401212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73325280).

70401212 is an abundant number, since it is smaller than the sum of its proper divisors (76249348).

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

70401212 is a wasteful number, since it uses less digits than its factorization.

70401212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 70401212 is about 8390.5430098415. The cubic root of 70401212 is about 412.9144157210.

Adding to 70401212 its reverse (21210407), we get a palindrome (91611619).

The spelling of 70401212 in words is "seventy million, four hundred one thousand, two hundred twelve".