1212101022 has 16 divisors (see below), whose sum is σ = 2644584192. Its totient is φ = 367303320.

The previous prime is 1212101021. The next prime is 1212101027. The reversal of 1212101022 is 2201012121.

It is a junction number, because it is equal to n+sod(n) for n = 1212100989 and 1212101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212101021) 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, 9182518 + ... + 9182649.

It is an arithmetic number, because the mean of its divisors is an integer number (165286512).

Almost surely, 2^1212101022 is an apocalyptic number.

1212101022 is an abundant number, since it is smaller than the sum of its proper divisors (1432483170).

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

1212101022 is a wasteful number, since it uses less digits than its factorization.

1212101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18365183.

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

The square root of 1212101022 is about 34815.2412313917. The cubic root of 1212101022 is about 1066.2186442477.

Adding to 1212101022 its reverse (2201012121), we get a palindrome (3413113143).

The spelling of 1212101022 in words is "one billion, two hundred twelve million, one hundred one thousand, twenty-two".