1212011003112 has 64 divisors (see below), whose sum is σ = 3729264631680. Its totient is φ = 319651252992.

The previous prime is 1212011003107. The next prime is 1212011003149. The reversal of 1212011003112 is 2113001102121.

It is a junction number, because it is equal to n+sod(n) for n = 1212011003091 and 1212011003100.

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, 277472863 + ... + 277477230.

It is an arithmetic number, because the mean of its divisors is an integer number (58269759870).

Almost surely, 2^{1212011003112} is an apocalyptic number.

1212011003112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212011003112 is an abundant number, since it is smaller than the sum of its proper divisors (2517253628568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212011003112 is a wasteful number, since it uses less digits than its factorization.

1212011003112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554950122 (or 554950118 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1212011003112 its reverse (2113001102121), we get a palindrome (3325012105233).

Subtracting 1212011003112 from its reverse (2113001102121), we obtain a palindrome (900990099009).

The spelling of 1212011003112 in words is "one trillion, two hundred twelve billion, eleven million, three thousand, one hundred twelve".