1210020003212 has 24 divisors (see below), whose sum is σ = 2120798152704. Its totient is φ = 604078368912.

The previous prime is 1210020003191. The next prime is 1210020003217. The reversal of 1210020003212 is 2123000200121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1210020003217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6988673 + ... + 7159719.

It is an arithmetic number, because the mean of its divisors is an integer number (88366589696).

Almost surely, 2^{1210020003212} is an apocalyptic number.

It is an amenable number.

1210020003212 is a deficient number, since it is larger than the sum of its proper divisors (910778149492).

1210020003212 is a wasteful number, since it uses less digits than its factorization.

1210020003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173765 (or 173763 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1210020003212 its reverse (2123000200121), we get a palindrome (3333020203333).

The spelling of 1210020003212 in words is "one trillion, two hundred ten billion, twenty million, three thousand, two hundred twelve".