1203121132212 has 24 divisors (see below), whose sum is σ = 2929338409536. Its totient is φ = 383603839168.

The previous prime is 1203121132211. The next prime is 1203121132231. The reversal of 1203121132212 is 2122311213021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203121132211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179566993 + ... + 2179567544.

It is an arithmetic number, because the mean of its divisors is an integer number (122055767064).

Almost surely, 2^{1203121132212} is an apocalyptic number.

1203121132212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1203121132212 is an abundant number, since it is smaller than the sum of its proper divisors (1726217277324).

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

1203121132212 is a wasteful number, since it uses less digits than its factorization.

1203121132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359134567 (or 4359134565 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1203121132212 its reverse (2122311213021), we get a palindrome (3325432345233).

The spelling of 1203121132212 in words is "one trillion, two hundred three billion, one hundred twenty-one million, one hundred thirty-two thousand, two hundred twelve".