123050012402 has 4 divisors (see below), whose sum is σ = 184575018606. Its totient is φ = 61525006200.

The previous prime is 123050012399. The next prime is 123050012431. The reversal of 123050012402 is 204210050321.

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., 111256269601 + 11793742801 = 333551^2 + 108599^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30762503099 + ... + 30762503102.

Almost surely, 2^123050012402 is an apocalyptic number.

123050012402 is a deficient number, since it is larger than the sum of its proper divisors (61525006204).

123050012402 is an equidigital number, since it uses as much as digits as its factorization.

123050012402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61525006203.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 123050012402 its reverse (204210050321), we get a palindrome (327260062723).

The spelling of 123050012402 in words is "one hundred twenty-three billion, fifty million, twelve thousand, four hundred two".