420121314442 has 16 divisors (see below), whose sum is σ = 636874813440. Its totient is φ = 207838724688.

The previous prime is 420121314419. The next prime is 420121314469. The reversal of 420121314442 is 244413121024.

It is a self number, because there is not a number n which added to its sum of digits gives 420121314442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160217 + ... + 2346652.

It is an arithmetic number, because the mean of its divisors is an integer number (39804675840).

Almost surely, 2^420121314442 is an apocalyptic number.

420121314442 is a deficient number, since it is larger than the sum of its proper divisors (216753498998).

420121314442 is a wasteful number, since it uses less digits than its factorization.

420121314442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507365.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 420121314442 its reverse (244413121024), we get a palindrome (664534435466).

The spelling of 420121314442 in words is "four hundred twenty billion, one hundred twenty-one million, three hundred fourteen thousand, four hundred forty-two".