1212343041 has 64 divisors (see below), whose sum is σ = 2115735552. Its totient is φ = 599968512.

The previous prime is 1212343039. The next prime is 1212343061. The reversal of 1212343041 is 1403432121.

It is not a de Polignac number, because 1212343041 - 2¹ = 1212343039 is a prime.

It is a super-2 number, since 2×1212343041² = 2939551298122255362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1212342999 and 1212343017.

It is not an unprimeable number, because it can be changed into a prime (1212343031) 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, 330966 + ... + 334608.

It is an arithmetic number, because the mean of its divisors is an integer number (33058368).

Almost surely, 2^1212343041 is an apocalyptic number.

It is an amenable number.

1212343041 is a deficient number, since it is larger than the sum of its proper divisors (903392511).

1212343041 is a wasteful number, since it uses less digits than its factorization.

1212343041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1212343041 is about 34818.7168201242. The cubic root of 1212343041 is about 1066.2896031289.

Adding to 1212343041 its reverse (1403432121), we get a palindrome (2615775162).

The spelling of 1212343041 in words is "one billion, two hundred twelve million, three hundred forty-three thousand, forty-one".