1210202020122 has 64 divisors (see below), whose sum is σ = 2552339389824. Its totient is φ = 382039234560.

The previous prime is 1210202020117. The next prime is 1210202020169. The reversal of 1210202020122 is 2210202020121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3787633 + ... + 4094699.

It is an arithmetic number, because the mean of its divisors is an integer number (39880302966).

Almost surely, 2^{1210202020122} is an apocalyptic number.

1210202020122 is an abundant number, since it is smaller than the sum of its proper divisors (1342137369702).

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

1210202020122 is a wasteful number, since it uses less digits than its factorization.

1210202020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307583.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1210202020122 its reverse (2210202020121), we get a palindrome (3420404040243).

Subtracting 1210202020122 from its reverse (2210202020121), we obtain a palindrome (999999999999).

The spelling of 1210202020122 in words is "one trillion, two hundred ten billion, two hundred two million, twenty thousand, one hundred twenty-two".