1002200121212 has 6 divisors (see below), whose sum is σ = 1753850212128. Its totient is φ = 501100060604.

The previous prime is 1002200121193. The next prime is 1002200121217. The reversal of 1002200121212 is 2121210022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002200121217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125275015148 + ... + 125275015155.

It is an arithmetic number, because the mean of its divisors is an integer number (292308368688).

Almost surely, 2^{1002200121212} is an apocalyptic number.

It is an amenable number.

1002200121212 is a deficient number, since it is larger than the sum of its proper divisors (751650090916).

1002200121212 is a wasteful number, since it uses less digits than its factorization.

1002200121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250550030307 (or 250550030305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002200121212 its reverse (2121210022001), we get a palindrome (3123410143213).

It can be divided in two parts, 10022001 and 21212, that multiplied together give a palindrome (212586685212).

The spelling of 1002200121212 in words is "one trillion, two billion, two hundred million, one hundred twenty-one thousand, two hundred twelve".