20121202202010 has 768 divisors, whose sum is σ = 66942292644864. Its totient is φ = 3753310224384.

The previous prime is 20121202201987. The next prime is 20121202202011. The reversal of 20121202202010 is 1020220212102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20121202202011) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1444133004 + ... + 1444146936.

It is an arithmetic number, because the mean of its divisors is an integer number (87164443548).

Almost surely, 2^{20121202202010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20121202202010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33471146322432).

20121202202010 is an abundant number, since it is smaller than the sum of its proper divisors (46821090442854).

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

20121202202010 is a wasteful number, since it uses less digits than its factorization.

20121202202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075 (or 14046 counting only the distinct ones).

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

Adding to 20121202202010 its reverse (1020220212102), we get a palindrome (21141422414112).

The spelling of 20121202202010 in words is "twenty trillion, one hundred twenty-one billion, two hundred two million, two hundred two thousand, ten".