1203211352012 has 24 divisors (see below), whose sum is σ = 2200729710816. Its totient is φ = 574516224128.

The previous prime is 1203211351913. The next prime is 1203211352017. The reversal of 1203211352012 is 2102531123021.

It is a super-2 number, since 2×1203211352012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1203211352017) 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, 10541603 + ... + 10655130.

It is an arithmetic number, because the mean of its divisors is an integer number (91697071284).

Almost surely, 2^{1203211352012} is an apocalyptic number.

It is an amenable number.

1203211352012 is a deficient number, since it is larger than the sum of its proper divisors (997518358804).

1203211352012 is a wasteful number, since it uses less digits than its factorization.

1203211352012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21197377 (or 21197375 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1203211352012 its reverse (2102531123021), we get a palindrome (3305742475033).

The spelling of 1203211352012 in words is "one trillion, two hundred three billion, two hundred eleven million, three hundred fifty-two thousand, twelve".