1201212122 has 32 divisors (see below), whose sum is σ = 2084759424. Its totient is φ = 513691200.

The previous prime is 1201212109. The next prime is 1201212127. The reversal of 1201212122 is 2212121021.

It is a junction number, because it is equal to n+sod(n) for n = 1201212097 and 1201212106.

It is not an unprimeable number, because it can be changed into a prime (1201212127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11408 + ... + 50324.

It is an arithmetic number, because the mean of its divisors is an integer number (65148732).

Almost surely, 2^1201212122 is an apocalyptic number.

1201212122 is a deficient number, since it is larger than the sum of its proper divisors (883547302).

1201212122 is a wasteful number, since it uses less digits than its factorization.

1201212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39014.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1201212122 is about 34658.5072096304. The cubic root of 1201212122 is about 1063.0162465101.

Adding to 1201212122 its reverse (2212121021), we get a palindrome (3413333143).

The spelling of 1201212122 in words is "one billion, two hundred one million, two hundred twelve thousand, one hundred twenty-two".