1213122010210 has 64 divisors (see below), whose sum is σ = 2391642443520. Its totient is φ = 439376071680.

The previous prime is 1213122010187. The next prime is 1213122010237. The reversal of 1213122010210 is 120102213121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45399814 + ... + 45426526.

It is an arithmetic number, because the mean of its divisors is an integer number (37369413180).

Almost surely, 2^{1213122010210} is an apocalyptic number.

1213122010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213122010210 is a deficient number, since it is larger than the sum of its proper divisors (1178520433310).

1213122010210 is a wasteful number, since it uses less digits than its factorization.

1213122010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28363.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1213122010210 its reverse (120102213121), we get a palindrome (1333224223331).

The spelling of 1213122010210 in words is "one trillion, two hundred thirteen billion, one hundred twenty-two million, ten thousand, two hundred ten".