1202021101212 has 24 divisors (see below), whose sum is σ = 2805055318800. Its totient is φ = 400625212416.

The previous prime is 1202021101201. The next prime is 1202021101247. The reversal of 1202021101212 is 2121011202021.

It is a junction number, because it is equal to n+sod(n) for n = 1202021101191 and 1202021101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5957637 + ... + 6156092.

It is an arithmetic number, because the mean of its divisors is an integer number (116877304950).

Almost surely, 2^{1202021101212} is an apocalyptic number.

1202021101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202021101212 is an abundant number, since it is smaller than the sum of its proper divisors (1603034217588).

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

1202021101212 is a wasteful number, since it uses less digits than its factorization.

1202021101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12122005 (or 12122003 counting only the distinct ones).

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

Adding to 1202021101212 its reverse (2121011202021), we get a palindrome (3323032303233).

The spelling of 1202021101212 in words is "one trillion, two hundred two billion, twenty-one million, one hundred one thousand, two hundred twelve".