1213101032122 has 16 divisors (see below), whose sum is σ = 2079754237440. Its totient is φ = 519862325328.

The previous prime is 1213101032119. The next prime is 1213101032123. The reversal of 1213101032122 is 2212301013121.

It is a super-2 number, since 2×1213101032122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1213101032122.

It is not an unprimeable number, because it can be changed into a prime (1213101032123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2978218 + ... + 3360949.

It is an arithmetic number, because the mean of its divisors is an integer number (129984639840).

Almost surely, 2^{1213101032122} is an apocalyptic number.

1213101032122 is a deficient number, since it is larger than the sum of its proper divisors (866653205318).

1213101032122 is a wasteful number, since it uses less digits than its factorization.

1213101032122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352845.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1213101032122 its reverse (2212301013121), we get a palindrome (3425402045243).

The spelling of 1213101032122 in words is "one trillion, two hundred thirteen billion, one hundred one million, thirty-two thousand, one hundred twenty-two".