120421210029 has 4 divisors (see below), whose sum is σ = 160561613376. Its totient is φ = 80280806684.

The previous prime is 120421209977. The next prime is 120421210043. The reversal of 120421210029 is 920012124021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120421210029 - 2¹³ = 120421201837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120421209990 and 120421210008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120426210029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20070201669 + ... + 20070201674.

It is an arithmetic number, because the mean of its divisors is an integer number (40140403344).

Almost surely, 2^120421210029 is an apocalyptic number.

It is an amenable number.

120421210029 is a deficient number, since it is larger than the sum of its proper divisors (40140403347).

120421210029 is an equidigital number, since it uses as much as digits as its factorization.

120421210029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140403346.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 120421210029 in words is "one hundred twenty billion, four hundred twenty-one million, two hundred ten thousand, twenty-nine".