1202222020212 has 18 divisors (see below), whose sum is σ = 3038950106738. Its totient is φ = 400740673392.

The previous prime is 1202222020189. The next prime is 1202222020261. The reversal of 1202222020212 is 2120202222021.

It can be written as a sum of positive squares in only one way, i.e., 1032654310416 + 169567709796 = 1016196^2 + 411786^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 16697528023 + ... + 16697528094.

Almost surely, 2^{1202222020212} is an apocalyptic number.

1202222020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202222020212 is an abundant number, since it is smaller than the sum of its proper divisors (1836728086526).

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

1202222020212 is a wasteful number, since it uses less digits than its factorization.

1202222020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33395056127 (or 33395056122 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1202222020212 its reverse (2120202222021), we get a palindrome (3322424242233).

The spelling of 1202222020212 in words is "one trillion, two hundred two billion, two hundred twenty-two million, twenty thousand, two hundred twelve".