421210121210030 has 32 divisors (see below), whose sum is σ = 763725726648000. Its totient is φ = 167251311855360.

The previous prime is 421210121210029. The next prime is 421210121210069. The reversal of 421210121210030 is 30012121012124.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 421210121209984 and 421210121210011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76499471 + ... + 81820469.

It is an arithmetic number, because the mean of its divisors is an integer number (23866428957750).

Almost surely, 2^{421210121210030} is an apocalyptic number.

421210121210030 is a deficient number, since it is larger than the sum of its proper divisors (342515605437970).

421210121210030 is a wasteful number, since it uses less digits than its factorization.

421210121210030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378924.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 421210121210030 its reverse (30012121012124), we get a palindrome (451222242222154).

The spelling of 421210121210030 in words is "four hundred twenty-one trillion, two hundred ten billion, one hundred twenty-one million, two hundred ten thousand, thirty".