1203212132111 has 16 divisors (see below), whose sum is σ = 1339838985888. Its totient is φ = 1071279859200.

The previous prime is 1203212132033. The next prime is 1203212132117. The reversal of 1203212132111 is 1112312123021.

It is a cyclic number.

It is not a de Polignac number, because 1203212132111 - 2¹⁸ = 1203211869967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203212132117) 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, 3691646 + ... + 4004331.

It is an arithmetic number, because the mean of its divisors is an integer number (83739936618).

Almost surely, 2^{1203212132111} is an apocalyptic number.

1203212132111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1203212132111 is a deficient number, since it is larger than the sum of its proper divisors (136626853777).

1203212132111 is a wasteful number, since it uses less digits than its factorization.

1203212132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7696282.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1203212132111 its reverse (1112312123021), we get a palindrome (2315524255132).

The spelling of 1203212132111 in words is "one trillion, two hundred three billion, two hundred twelve million, one hundred thirty-two thousand, one hundred eleven".