1202212120120 has 64 divisors (see below), whose sum is σ = 2951045123040. Its totient is φ = 437144217600.

The previous prime is 1202212120099. The next prime is 1202212120129. The reversal of 1202212120120 is 210212122021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202212120094 and 1202212120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202212120129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9366780 + ... + 9494260.

Almost surely, 2^{1202212120120} is an apocalyptic number.

1202212120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202212120120 is an abundant number, since it is smaller than the sum of its proper divisors (1748833002920).

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

1202212120120 is a wasteful number, since it uses less digits than its factorization.

1202212120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148936 (or 148932 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202212120120 its reverse (210212122021), we get a palindrome (1412424242141).

The spelling of 1202212120120 in words is "one trillion, two hundred two billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty".