202021001220012 has 48 divisors (see below), whose sum is σ = 507857893355232. Its totient is φ = 62133935316480.

The previous prime is 202021001219981. The next prime is 202021001220023. The reversal of 202021001220012 is 210022100120202.

It is a junction number, because it is equal to n+sod(n) for n = 202021001219973 and 202021001220000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274347289 + ... + 275082672.

It is an arithmetic number, because the mean of its divisors is an integer number (10580372778234).

Almost surely, 2^{202021001220012} is an apocalyptic number.

It is an amenable number.

202021001220012 is an abundant number, since it is smaller than the sum of its proper divisors (305836892135220).

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

202021001220012 is a wasteful number, since it uses less digits than its factorization.

202021001220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549432338 (or 549432336 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202021001220012 its reverse (210022100120202), we get a palindrome (412043101340214).

The spelling of 202021001220012 in words is "two hundred two trillion, twenty-one billion, one million, two hundred twenty thousand, twelve".