2002144421212 has 96 divisors (see below), whose sum is σ = 4009903349760. Its totient is φ = 867655514880.

The previous prime is 2002144421183. The next prime is 2002144421239. The reversal of 2002144421212 is 2121244412002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36669589 + ... + 36724147.

It is an arithmetic number, because the mean of its divisors is an integer number (41769826560).

Almost surely, 2^{2002144421212} is an apocalyptic number.

It is an amenable number.

2002144421212 is an abundant number, since it is smaller than the sum of its proper divisors (2007758928548).

2002144421212 is a wasteful number, since it uses less digits than its factorization.

2002144421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55163 (or 55161 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 2002144421212 its reverse (2121244412002), we get a palindrome (4123388833214).

The spelling of 2002144421212 in words is "two trillion, two billion, one hundred forty-four million, four hundred twenty-one thousand, two hundred twelve".