1201210122 has 16 divisors (see below), whose sum is σ = 2745623232. Its totient is φ = 343202880.

The previous prime is 1201210097. The next prime is 1201210139. The reversal of 1201210122 is 2210121021.

It is a junction number, because it is equal to n+sod(n) for n = 1201210098 and 1201210107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14300079 + ... + 14300162.

It is an arithmetic number, because the mean of its divisors is an integer number (171601452).

Almost surely, 2^1201210122 is an apocalyptic number.

1201210122 is an abundant number, since it is smaller than the sum of its proper divisors (1544413110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201210122 is a wasteful number, since it uses less digits than its factorization.

1201210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28600253.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1201210122 is about 34658.4783566734. The cubic root of 1201210122 is about 1063.0156565411.

Adding to 1201210122 its reverse (2210121021), we get a palindrome (3411331143).

The spelling of 1201210122 in words is "one billion, two hundred one million, two hundred ten thousand, one hundred twenty-two".