1212101020122 has 32 divisors (see below), whose sum is σ = 2437500397824. Its totient is φ = 401822803200.

The previous prime is 1212101020111. The next prime is 1212101020159. The reversal of 1212101020122 is 2210201012121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188463 + ... + 1568349.

It is an arithmetic number, because the mean of its divisors is an integer number (76171887432).

Almost surely, 2^{1212101020122} is an apocalyptic number.

1212101020122 is an abundant number, since it is smaller than the sum of its proper divisors (1225399377702).

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

1212101020122 is a wasteful number, since it uses less digits than its factorization.

1212101020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380694.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212101020122 its reverse (2210201012121), we get a palindrome (3422302032243).

The spelling of 1212101020122 in words is "one trillion, two hundred twelve billion, one hundred one million, twenty thousand, one hundred twenty-two".