1012121202122 has 8 divisors (see below), whose sum is σ = 1519833799200. Its totient is φ = 505509935724.

The previous prime is 1012121202121. The next prime is 1012121202143. The reversal of 1012121202122 is 2212021212101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1012121202122.

It is not an unprimeable number, because it can be changed into a prime (1012121202121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275330372 + ... + 275334047.

It is an arithmetic number, because the mean of its divisors is an integer number (189979224900).

Almost surely, 2^{1012121202122} is an apocalyptic number.

1012121202122 is a deficient number, since it is larger than the sum of its proper divisors (507712597078).

1012121202122 is an equidigital number, since it uses as much as digits as its factorization.

1012121202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550665340.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1012121202122 its reverse (2212021212101), we get a palindrome (3224142414223).

The spelling of 1012121202122 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred two thousand, one hundred twenty-two".