1213012025110 has 32 divisors (see below), whose sum is σ = 2214675965952. Its totient is φ = 478262504160.

The previous prime is 1213012025041. The next prime is 1213012025111. The reversal of 1213012025110 is 115202103121.

It is a super-2 number, since 2×1213012025110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213012025111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2977327 + ... + 3360133.

It is an arithmetic number, because the mean of its divisors is an integer number (69208623936).

Almost surely, 2^{1213012025110} is an apocalyptic number.

1213012025110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213012025110 is a deficient number, since it is larger than the sum of its proper divisors (1001663940842).

1213012025110 is a wasteful number, since it uses less digits than its factorization.

1213012025110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387348.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 1213012025110 its reverse (115202103121), we get a palindrome (1328214128231).

The spelling of 1213012025110 in words is "one trillion, two hundred thirteen billion, twelve million, twenty-five thousand, one hundred ten".