1210122112 has 16 divisors (see below), whose sum is σ = 2410790400. Its totient is φ = 605060992.

The previous prime is 1210122091. The next prime is 1210122119. The reversal of 1210122112 is 2112210121.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 1210122092 and 1210122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210122119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4726912 + ... + 4727167.

It is an arithmetic number, because the mean of its divisors is an integer number (150674400).

Almost surely, 2^1210122112 is an apocalyptic number.

It is an amenable number.

1210122112 is a deficient number, since it is larger than the sum of its proper divisors (1200668288).

1210122112 is an frugal number, since it uses more digits than its factorization.

1210122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9454093 (or 9454081 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1210122112 is about 34786.8094541595. The cubic root of 1210122112 is about 1065.6380820678.

Adding to 1210122112 its reverse (2112210121), we get a palindrome (3322332233).

The spelling of 1210122112 in words is "one billion, two hundred ten million, one hundred twenty-two thousand, one hundred twelve".