20121202010 has 128 divisors (see below), whose sum is σ = 46626499584. Its totient is φ = 6076477440.

The previous prime is 20121202001. The next prime is 20121202039. The reversal of 20121202010 is 1020212102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20121201982 and 20121202000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11322242 + ... + 11324018.

It is an arithmetic number, because the mean of its divisors is an integer number (364269528).

Almost surely, 2^20121202010 is an apocalyptic number.

20121202010 is an abundant number, since it is smaller than the sum of its proper divisors (26505297574).

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

20121202010 is a wasteful number, since it uses less digits than its factorization.

20121202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20121202010 its reverse (1020212102), we get a palindrome (21141414112).

The spelling of 20121202010 in words is "twenty billion, one hundred twenty-one million, two hundred two thousand, ten".