1212411101402 has 4 divisors (see below), whose sum is σ = 1818616652106. Its totient is φ = 606205550700.

The previous prime is 1212411101357. The next prime is 1212411101423. The reversal of 1212411101402 is 2041011142121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 841129271161 + 371281830241 = 917131^2 + 609329^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303102775349 + ... + 303102775352.

Almost surely, 2^{1212411101402} is an apocalyptic number.

1212411101402 is a deficient number, since it is larger than the sum of its proper divisors (606205550704).

1212411101402 is an equidigital number, since it uses as much as digits as its factorization.

1212411101402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606205550703.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1212411101402 its reverse (2041011142121), we get a palindrome (3253422243523).

The spelling of 1212411101402 in words is "one trillion, two hundred twelve billion, four hundred eleven million, one hundred one thousand, four hundred two".