1210102021012 has 48 divisors (see below), whose sum is σ = 2162302853760. Its totient is φ = 592352062848.

The previous prime is 1210102020997. The next prime is 1210102021021. The reversal of 1210102021012 is 2101202010121.

It is a junction number, because it is equal to n+sod(n) for n = 1210102020983 and 1210102021001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262891903 + ... + 262896505.

It is an arithmetic number, because the mean of its divisors is an integer number (45047976120).

Almost surely, 2^{1210102021012} is an apocalyptic number.

It is an amenable number.

1210102021012 is a deficient number, since it is larger than the sum of its proper divisors (952200832748).

1210102021012 is a wasteful number, since it uses less digits than its factorization.

1210102021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072 (or 7070 counting only the distinct ones).

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

Adding to 1210102021012 its reverse (2101202010121), we get a palindrome (3311304031133).

The spelling of 1210102021012 in words is "one trillion, two hundred ten billion, one hundred two million, twenty-one thousand, twelve".