218612030702 has 64 divisors (see below), whose sum is σ = 367889786880. Its totient is φ = 96774652800.

The previous prime is 218612030683. The next prime is 218612030729. The reversal of 218612030702 is 207030216812.

It is a super-2 number, since 2×218612030702² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47122499 + ... + 47127137.

It is an arithmetic number, because the mean of its divisors is an integer number (5748277920).

Almost surely, 2^218612030702 is an apocalyptic number.

218612030702 is a deficient number, since it is larger than the sum of its proper divisors (149277756178).

218612030702 is a wasteful number, since it uses less digits than its factorization.

218612030702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 218612030702 in words is "two hundred eighteen billion, six hundred twelve million, thirty thousand, seven hundred two".