1203212021230 has 16 divisors (see below), whose sum is σ = 2166179784624. Its totient is φ = 481196331520.

The previous prime is 1203212021191. The next prime is 1203212021239. The reversal of 1203212021230 is 321202123021.

It is a junction number, because it is equal to n+sod(n) for n = 1203212021198 and 1203212021207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203212021239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11002492 + ... + 11111311.

It is an arithmetic number, because the mean of its divisors is an integer number (135386236539).

Almost surely, 2^{1203212021230} is an apocalyptic number.

1203212021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1203212021230 is a deficient number, since it is larger than the sum of its proper divisors (962967763394).

1203212021230 is a wasteful number, since it uses less digits than its factorization.

1203212021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22119251.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1203212021230 its reverse (321202123021), we get a palindrome (1524414144251).

The spelling of 1203212021230 in words is "one trillion, two hundred three billion, two hundred twelve million, twenty-one thousand, two hundred thirty".