1212141789410 has 16 divisors (see below), whose sum is σ = 2181870459000. Its totient is φ = 484853329536.

The previous prime is 1212141789403. The next prime is 1212141789479. The reversal of 1212141789410 is 149871412121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 971799668401 + 240342121009 = 985799^2 + 490247^2 .

It is a super-3 number, since 3×1212141789410³ (a number of 37 digits) contains 333 as substring.

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, 1493486 + ... + 2157494.

Almost surely, 2^{1212141789410} is an apocalyptic number.

1212141789410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212141789410 is a deficient number, since it is larger than the sum of its proper divisors (969728669590).

1212141789410 is a wasteful number, since it uses less digits than its factorization.

1212141789410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846565.

The product of its (nonzero) digits is 32256, while the sum is 41.

The spelling of 1212141789410 in words is "one trillion, two hundred twelve billion, one hundred forty-one million, seven hundred eighty-nine thousand, four hundred ten".