161112000212 has 36 divisors (see below), whose sum is σ = 287564100096. Its totient is φ = 78981265680.

The previous prime is 161112000197. The next prime is 161112000359. The reversal of 161112000212 is 212000211161.

It is a super-2 number, since 2×161112000212² (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 11 ways as a sum of consecutive naturals, for example, 5317787 + ... + 5347997.

Almost surely, 2^161112000212 is an apocalyptic number.

It is an amenable number.

161112000212 is a deficient number, since it is larger than the sum of its proper divisors (126452099884).

161112000212 is a wasteful number, since it uses less digits than its factorization.

161112000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30716 (or 30655 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 161112000212 its reverse (212000211161), we get a palindrome (373112211373).

The spelling of 161112000212 in words is "one hundred sixty-one billion, one hundred twelve million, two hundred twelve", and thus it is an aban number.