97112121161572 has 18 divisors (see below), whose sum is σ = 186800381822054. Its totient is φ = 44141873255040.

The previous prime is 97112121161567. The next prime is 97112121161593. The reversal of 97112121161572 is 27516112121179.

It can be written as a sum of positive squares in only one way, i.e., 96756456828196 + 355664333376 = 9836486^2 + 596376^2 .

It is a super-3 number, since 3×97112121161572³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100322438733 + ... + 100322439700.

Almost surely, 2^{97112121161572} is an apocalyptic number.

It is an amenable number.

97112121161572 is a deficient number, since it is larger than the sum of its proper divisors (89688260660482).

97112121161572 is a wasteful number, since it uses less digits than its factorization.

97112121161572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200644878459 (or 200644878446 counting only the distinct ones).

The product of its digits is 105840, while the sum is 46.

The spelling of 97112121161572 in words is "ninety-seven trillion, one hundred twelve billion, one hundred twenty-one million, one hundred sixty-one thousand, five hundred seventy-two".