1202101201212 has 24 divisors (see below), whose sum is σ = 2805140214912. Its totient is φ = 400666484400.

The previous prime is 1202101201207. The next prime is 1202101201219. The reversal of 1202101201212 is 2121021012021.

It is a junction number, because it is equal to n+sod(n) for n = 1202101201191 and 1202101201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202101201219) 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, 4091614 + ... + 4375557.

It is an arithmetic number, because the mean of its divisors is an integer number (116880842288).

Almost surely, 2^{1202101201212} is an apocalyptic number.

1202101201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202101201212 is an abundant number, since it is smaller than the sum of its proper divisors (1603039013700).

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

1202101201212 is a wasteful number, since it uses less digits than its factorization.

1202101201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479009 (or 8479007 counting only the distinct ones).

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

Adding to 1202101201212 its reverse (2121021012021), we get a palindrome (3323122213233).

The spelling of 1202101201212 in words is "one trillion, two hundred two billion, one hundred one million, two hundred one thousand, two hundred twelve".