420121311207 has 16 divisors (see below), whose sum is σ = 604296641760. Its totient is φ = 258088108032.

The previous prime is 420121311187. The next prime is 420121311223. The reversal of 420121311207 is 702113121024.

It is not a de Polignac number, because 420121311207 - 2²³ = 420112922599 is a prime.

It is a super-2 number, since 2×420121311207² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420121311007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9312282 + ... + 9357287.

It is an arithmetic number, because the mean of its divisors is an integer number (37768540110).

Almost surely, 2^420121311207 is an apocalyptic number.

420121311207 is a deficient number, since it is larger than the sum of its proper divisors (184175330553).

420121311207 is a wasteful number, since it uses less digits than its factorization.

420121311207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18670162.

The product of its (nonzero) digits is 672, while the sum is 24.

The spelling of 420121311207 in words is "four hundred twenty billion, one hundred twenty-one million, three hundred eleven thousand, two hundred seven".