1213020221030 has 16 divisors (see below), whose sum is σ = 2278368415584. Its totient is φ = 464112084480.

The previous prime is 1213020221027. The next prime is 1213020221059. The reversal of 1213020221030 is 301220203121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637000251 + ... + 2637000710.

It is an arithmetic number, because the mean of its divisors is an integer number (142398025974).

Almost surely, 2^{1213020221030} is an apocalyptic number.

1213020221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213020221030 is a deficient number, since it is larger than the sum of its proper divisors (1065348194554).

1213020221030 is a wasteful number, since it uses less digits than its factorization.

1213020221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274000991.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1213020221030 its reverse (301220203121), we get a palindrome (1514240424151).

The spelling of 1213020221030 in words is "one trillion, two hundred thirteen billion, twenty million, two hundred twenty-one thousand, thirty".