1212140303103 has 16 divisors (see below), whose sum is σ = 1636242613632. Its totient is φ = 798124236000.

The previous prime is 1212140303093. The next prime is 1212140303167. The reversal of 1212140303103 is 3013030412121.

It is not a de Polignac number, because 1212140303103 - 2²⁴ = 1212123525887 is a prime.

It is a super-2 number, since 2×1212140303103² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212140303103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212140303173) 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, 7225908 + ... + 7391753.

It is an arithmetic number, because the mean of its divisors is an integer number (102265163352).

Almost surely, 2^{1212140303103} is an apocalyptic number.

1212140303103 is a deficient number, since it is larger than the sum of its proper divisors (424102310529).

1212140303103 is a wasteful number, since it uses less digits than its factorization.

1212140303103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618006.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1212140303103 its reverse (3013030412121), we get a palindrome (4225170715224).

The spelling of 1212140303103 in words is "one trillion, two hundred twelve billion, one hundred forty million, three hundred three thousand, one hundred three".