20120211112112 has 10 divisors (see below), whose sum is σ = 38982909029748. Its totient is φ = 10060105556048.

The previous prime is 20120211112081. The next prime is 20120211112189. The reversal of 20120211112112 is 21121111202102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628756597238 + ... + 628756597269.

Almost surely, 2^{20120211112112} is an apocalyptic number.

It is an amenable number.

20120211112112 is a deficient number, since it is larger than the sum of its proper divisors (18862697917636).

20120211112112 is a wasteful number, since it uses less digits than its factorization.

20120211112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257513194515 (or 1257513194509 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20120211112112 its reverse (21121111202102), we get a palindrome (41241322314214).

The spelling of 20120211112112 in words is "twenty trillion, one hundred twenty billion, two hundred eleven million, one hundred twelve thousand, one hundred twelve".