70212157353 has 48 divisors (see below), whose sum is σ = 111200886160. Its totient is φ = 42425856000.

The previous prime is 70212157307. The next prime is 70212157373. The reversal of 70212157353 is 35375121207.

It is a happy number.

70212157353 is a `hidden beast` number, since 70 + 2 + 12 + 1 + 573 + 5 + 3 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 10923803289 + 59288354064 = 104517^2 + 243492^2 .

It is not a de Polignac number, because 70212157353 - 2¹⁴ = 70212140969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70212157373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4281153 + ... + 4297521.

Almost surely, 2^70212157353 is an apocalyptic number.

It is an amenable number.

70212157353 is a deficient number, since it is larger than the sum of its proper divisors (40988728807).

70212157353 is a wasteful number, since it uses less digits than its factorization.

70212157353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17050 (or 17047 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 70212157353 in words is "seventy billion, two hundred twelve million, one hundred fifty-seven thousand, three hundred fifty-three".