351042212401421 has 32 divisors (see below), whose sum is σ = 356550050693376. Its totient is φ = 345579673600000.

The previous prime is 351042212401373. The next prime is 351042212401451. The reversal of 351042212401421 is 124104212240153.

It is a cyclic number.

It is not a de Polignac number, because 351042212401421 - 2²⁶ = 351042145292557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351042212401451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62120367446 + ... + 62120373096.

It is an arithmetic number, because the mean of its divisors is an integer number (11142189084168).

Almost surely, 2^{351042212401421} is an apocalyptic number.

It is an amenable number.

351042212401421 is a deficient number, since it is larger than the sum of its proper divisors (5507838291955).

351042212401421 is a wasteful number, since it uses less digits than its factorization.

351042212401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9973.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 351042212401421 its reverse (124104212240153), we get a palindrome (475146424641574).

The spelling of 351042212401421 in words is "three hundred fifty-one trillion, forty-two billion, two hundred twelve million, four hundred one thousand, four hundred twenty-one".