123220241002 has 4 divisors (see below), whose sum is σ = 184830361506. Its totient is φ = 61610120500.

The previous prime is 123220240993. The next prime is 123220241057. The reversal of 123220241002 is 200142022321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99804814561 + 23415426441 = 315919^2 + 153021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30805060249 + ... + 30805060252.

Almost surely, 2^123220241002 is an apocalyptic number.

123220241002 is a deficient number, since it is larger than the sum of its proper divisors (61610120504).

123220241002 is an equidigital number, since it uses as much as digits as its factorization.

123220241002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61610120503.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 123220241002 its reverse (200142022321), we get a palindrome (323362263323).

The spelling of 123220241002 in words is "one hundred twenty-three billion, two hundred twenty million, two hundred forty-one thousand, two".