1105161212 has 12 divisors (see below), whose sum is σ = 1934378040. Its totient is φ = 552481776.

The previous prime is 1105161209. The next prime is 1105161223. The reversal of 1105161212 is 2121615011.

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, 4214 + ... + 47202.

It is an arithmetic number, because the mean of its divisors is an integer number (161198170).

Almost surely, 2^1105161212 is an apocalyptic number.

It is an amenable number.

1105161212 is a deficient number, since it is larger than the sum of its proper divisors (829216828).

1105161212 is a wasteful number, since it uses less digits than its factorization.

1105161212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49420 (or 49418 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 1105161212 is about 33243.9650463058. The cubic root of 1105161212 is about 1033.8920868042.

Adding to 1105161212 its reverse (2121615011), we get a palindrome (3226776223).

The spelling of 1105161212 in words is "one billion, one hundred five million, one hundred sixty-one thousand, two hundred twelve".