207512211742 has 8 divisors (see below), whose sum is σ = 339565437432. Its totient is φ = 94323732600.

The previous prime is 207512211733. The next prime is 207512211769. The reversal of 207512211742 is 247112215702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×207512211742² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 207512211698 and 207512211707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4716186609 + ... + 4716186652.

It is an arithmetic number, because the mean of its divisors is an integer number (42445679679).

Almost surely, 2^207512211742 is an apocalyptic number.

207512211742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

207512211742 is a deficient number, since it is larger than the sum of its proper divisors (132053225690).

207512211742 is a wasteful number, since it uses less digits than its factorization.

207512211742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9432373274.

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 207512211742 in words is "two hundred seven billion, five hundred twelve million, two hundred eleven thousand, seven hundred forty-two".