202106061212 has 48 divisors (see below), whose sum is σ = 409989535200. Its totient is φ = 86154700800.

The previous prime is 202106061197. The next prime is 202106061217. The reversal of 202106061212 is 212160601202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202106061217) 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, 270587 + ... + 690962.

It is an arithmetic number, because the mean of its divisors is an integer number (8541448650).

Almost surely, 2^202106061212 is an apocalyptic number.

202106061212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202106061212 is an abundant number, since it is smaller than the sum of its proper divisors (207883473988).

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

202106061212 is a wasteful number, since it uses less digits than its factorization.

202106061212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961862 (or 961860 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 202106061212 its reverse (212160601202), we get a palindrome (414266662414).

The spelling of 202106061212 in words is "two hundred two billion, one hundred six million, sixty-one thousand, two hundred twelve".