1203213030421 has 8 divisors (see below), whose sum is σ = 1240743538944. Its totient is φ = 1166179614960.

The previous prime is 1203213030389. The next prime is 1203213030427. The reversal of 1203213030421 is 1240303123021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1203213030421 - 2⁵ = 1203213030389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203213030392 and 1203213030401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203213030427) 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, 124268350 + ... + 124278031.

It is an arithmetic number, because the mean of its divisors is an integer number (155092942368).

Almost surely, 2^{1203213030421} is an apocalyptic number.

It is an amenable number.

1203213030421 is a deficient number, since it is larger than the sum of its proper divisors (37530508523).

1203213030421 is a wasteful number, since it uses less digits than its factorization.

1203213030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248546531.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1203213030421 its reverse (1240303123021), we get a palindrome (2443516153442).

The spelling of 1203213030421 in words is "one trillion, two hundred three billion, two hundred thirteen million, thirty thousand, four hundred twenty-one".