612421030 has 32 divisors (see below), whose sum is σ = 1192441824. Its totient is φ = 225117696.

The previous prime is 612421021. The next prime is 612421037. The reversal of 612421030 is 30124216.

It is a junction number, because it is equal to n+sod(n) for n = 612420989 and 612421007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612421037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19134 + ... + 39886.

It is an arithmetic number, because the mean of its divisors is an integer number (37263807).

Almost surely, 2^612421030 is an apocalyptic number.

612421030 is a deficient number, since it is larger than the sum of its proper divisors (580020794).

612421030 is a wasteful number, since it uses less digits than its factorization.

612421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21000.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 612421030 is about 24747.1418551719. The cubic root of 612421030 is about 849.2131264608.

Adding to 612421030 its reverse (30124216), we get a palindrome (642545246).

The spelling of 612421030 in words is "six hundred twelve million, four hundred twenty-one thousand, thirty".