1210023213212 has 24 divisors (see below), whose sum is σ = 2310191693040. Its totient is φ = 549975461760.

The previous prime is 1210023213209. The next prime is 1210023213257. The reversal of 1210023213212 is 2123123200121.

It is a super-2 number, since 2×1210023213212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173387 + ... + 1565282.

It is an arithmetic number, because the mean of its divisors is an integer number (96257987210).

Almost surely, 2^{1210023213212} is an apocalyptic number.

It is an amenable number.

1210023213212 is a deficient number, since it is larger than the sum of its proper divisors (1100168479828).

1210023213212 is a wasteful number, since it uses less digits than its factorization.

1210023213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754501 (or 1754499 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1210023213212 its reverse (2123123200121), we get a palindrome (3333146413333).

The spelling of 1210023213212 in words is "one trillion, two hundred ten billion, twenty-three million, two hundred thirteen thousand, two hundred twelve".