1002101210212 has 96 divisors (see below), whose sum is σ = 1863078192864. Its totient is φ = 471053107200.

The previous prime is 1002101210191. The next prime is 1002101210219. The reversal of 1002101210212 is 2120121012001.

It can be written as a sum of positive squares in 16 ways, for example, as 854319398436 + 147781811776 = 924294^2 + 384424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002101210192 and 1002101210201.

It is not an unprimeable number, because it can be changed into a prime (1002101210219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 645267228 + ... + 645268780.

It is an arithmetic number, because the mean of its divisors is an integer number (19407064509).

Almost surely, 2^{1002101210212} is an apocalyptic number.

It is an amenable number.

1002101210212 is a deficient number, since it is larger than the sum of its proper divisors (860976982652).

1002101210212 is a wasteful number, since it uses less digits than its factorization.

1002101210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929 (or 2927 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002101210212 its reverse (2120121012001), we get a palindrome (3122222222213).

The spelling of 1002101210212 in words is "one trillion, two billion, one hundred one million, two hundred ten thousand, two hundred twelve".