121463849810 has 16 divisors (see below), whose sum is σ = 223286737536. Its totient is φ = 47551804848.

The previous prime is 121463849809. The next prime is 121463849851. The reversal of 121463849810 is 18948364121.

It is a happy number.

It is a super-2 number, since 2×121463849810² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129216392 + ... + 129217331.

It is an arithmetic number, because the mean of its divisors is an integer number (13955421096).

Almost surely, 2^121463849810 is an apocalyptic number.

121463849810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121463849810 is a deficient number, since it is larger than the sum of its proper divisors (101822887726).

121463849810 is a wasteful number, since it uses less digits than its factorization.

121463849810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258433777.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 121463849810 in words is "one hundred twenty-one billion, four hundred sixty-three million, eight hundred forty-nine thousand, eight hundred ten".