121420404014410 has 128 divisors (see below), whose sum is σ = 238962807720000. Its totient is φ = 44234017947648.

The previous prime is 121420404014347. The next prime is 121420404014411. The reversal of 121420404014410 is 14410404024121.

It can be written as a sum of positive squares in 32 ways, for example, as 659491792281 + 120760912222129 = 812091^2 + 10989127^2 .

It is a super-2 number, since 2×121420404014410² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121420404014411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 853865596 + ... + 854007784.

Almost surely, 2^{121420404014410} is an apocalyptic number.

121420404014410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121420404014410 is a deficient number, since it is larger than the sum of its proper divisors (117542403705590).

121420404014410 is a wasteful number, since it uses less digits than its factorization.

121420404014410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142988.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 121420404014410 its reverse (14410404024121), we get a palindrome (135830808038531).

The spelling of 121420404014410 in words is "one hundred twenty-one trillion, four hundred twenty billion, four hundred four million, fourteen thousand, four hundred ten".